Vulnerabilities > CVE-2016-0746 - Use After Free vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
Use-after-free vulnerability in the resolver in nginx 0.6.18 through 1.8.0 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (worker process crash) or possibly have unspecified other impact via a crafted DNS response related to CNAME response processing.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family Gentoo Local Security Checks NASL id GENTOO_GLSA-201606-06.NASL description The remote host is affected by the vulnerability described in GLSA-201606-06 (nginx: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in nginx. Please review the CVE identifiers referenced below for details. Impact : A remote attacker could possibly cause a Denial of Service condition via a crafted packet. Workaround : There is no known workaround at this time. last seen 2020-06-01 modified 2020-06-02 plugin id 103587 published 2017-10-02 reporter This script is Copyright (C) 2017 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/103587 title GLSA-201606-06 : nginx: Multiple vulnerabilities code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Gentoo Linux Security Advisory GLSA 201606-06. # # The advisory text is Copyright (C) 2001-2017 Gentoo Foundation, Inc. # and licensed under the Creative Commons - Attribution / Share Alike # license. See http://creativecommons.org/licenses/by-sa/3.0/ # include("compat.inc"); if (description) { script_id(103587); script_version("$Revision: 3.1 $"); script_cvs_date("$Date: 2017/10/02 21:40:44 $"); script_cve_id("CVE-2013-3587", "CVE-2016-0742", "CVE-2016-0746", "CVE-2016-0747", "CVE-2016-4450"); script_xref(name:"GLSA", value:"201606-06"); script_name(english:"GLSA-201606-06 : nginx: Multiple vulnerabilities"); script_summary(english:"Checks for updated package(s) in /var/db/pkg"); script_set_attribute( attribute:"synopsis", value: "The remote Gentoo host is missing one or more security-related patches." ); script_set_attribute( attribute:"description", value: "The remote host is affected by the vulnerability described in GLSA-201606-06 (nginx: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in nginx. Please review the CVE identifiers referenced below for details. Impact : A remote attacker could possibly cause a Denial of Service condition via a crafted packet. Workaround : There is no known workaround at this time." ); script_set_attribute( attribute:"see_also", value:"https://security.gentoo.org/glsa/201606-06" ); script_set_attribute( attribute:"solution", value: "All nginx users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose '>=www-servers/nginx-1.10.1'" ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:nginx"); script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux"); script_set_attribute(attribute:"patch_publication_date", value:"2016/06/17"); script_set_attribute(attribute:"plugin_publication_date", value:"2017/10/02"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2017 Tenable Network Security, Inc."); script_family(english:"Gentoo Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("qpkg.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo"); if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (qpkg_check(package:"www-servers/nginx", unaffected:make_list("ge 1.10.1"), vulnerable:make_list("lt 1.10.1"))) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:qpkg_report_get()); else security_hole(0); exit(0); } else { tested = qpkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "nginx"); }
NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_C1C18EE1C71111E596D614DAE9D210B8.NASL description Maxim Dounin reports : Several problems in nginx resolver were identified, which might allow an attacker to cause worker process crash, or might have potential other impact if the last seen 2020-06-01 modified 2020-06-02 plugin id 88503 published 2016-02-01 reporter This script is Copyright (C) 2016-2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/88503 title FreeBSD : nginx -- multiple vulnerabilities (c1c18ee1-c711-11e5-96d6-14dae9d210b8) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from the FreeBSD VuXML database : # # Copyright 2003-2018 Jacques Vidrine and contributors # # Redistribution and use in source (VuXML) and 'compiled' forms (SGML, # HTML, PDF, PostScript, RTF and so forth) with or without modification, # are permitted provided that the following conditions are met: # 1. Redistributions of source code (VuXML) must retain the above # copyright notice, this list of conditions and the following # disclaimer as the first lines of this file unmodified. # 2. Redistributions in compiled form (transformed to other DTDs, # published online in any format, converted to PDF, PostScript, # RTF and other formats) must reproduce the above copyright # notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # # THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, # OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT # OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR # BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE # OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION, # EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # include("compat.inc"); if (description) { script_id(88503); script_version("2.5"); script_cvs_date("Date: 2018/11/10 11:49:45"); script_cve_id("CVE-2016-0742", "CVE-2016-0746", "CVE-2016-0747"); script_name(english:"FreeBSD : nginx -- multiple vulnerabilities (c1c18ee1-c711-11e5-96d6-14dae9d210b8)"); script_summary(english:"Checks for updated packages in pkg_info output"); script_set_attribute( attribute:"synopsis", value: "The remote FreeBSD host is missing one or more security-related updates." ); script_set_attribute( attribute:"description", value: "Maxim Dounin reports : Several problems in nginx resolver were identified, which might allow an attacker to cause worker process crash, or might have potential other impact if the 'resolver' directive is used in a configuration file." ); script_set_attribute( attribute:"see_also", value:"http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html" ); # https://vuxml.freebsd.org/freebsd/c1c18ee1-c711-11e5-96d6-14dae9d210b8.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?a5d63d59" ); script_set_attribute(attribute:"solution", value:"Update the affected packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:nginx"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:nginx-devel"); script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd"); script_set_attribute(attribute:"vuln_publication_date", value:"2016/01/26"); script_set_attribute(attribute:"patch_publication_date", value:"2016/01/30"); script_set_attribute(attribute:"plugin_publication_date", value:"2016/02/01"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2016-2018 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"FreeBSD Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info"); exit(0); } include("audit.inc"); include("freebsd_package.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD"); if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (pkg_test(save_report:TRUE, pkg:"nginx<1.8.1,2")) flag++; if (pkg_test(save_report:TRUE, pkg:"nginx-devel<1.9.10")) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:pkg_report_get()); else security_hole(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-2892-1.NASL description It was discovered that nginx incorrectly handled certain DNS server responses when the resolver is enabled. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service. (CVE-2016-0742) It was discovered that nginx incorrectly handled CNAME response processing when the resolver is enabled. A remote attacker could use this issue to cause nginx to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-0746) It was discovered that nginx incorrectly handled CNAME resolution when the resolver is enabled. A remote attacker could possibly use this issue to cause nginx to consume resources, resulting in a denial of service. (CVE-2016-0747). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 88678 published 2016-02-10 reporter Ubuntu Security Notice (C) 2016-2019 Canonical, Inc. / NASL script (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/88678 title Ubuntu 14.04 LTS / 15.10 : nginx vulnerabilities (USN-2892-1) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Ubuntu Security Notice USN-2892-1. The text # itself is copyright (C) Canonical, Inc. See # <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered # trademark of Canonical, Inc. # include("compat.inc"); if (description) { script_id(88678); script_version("2.11"); script_cvs_date("Date: 2019/09/18 12:31:45"); script_cve_id("CVE-2016-0742", "CVE-2016-0746", "CVE-2016-0747"); script_xref(name:"USN", value:"2892-1"); script_name(english:"Ubuntu 14.04 LTS / 15.10 : nginx vulnerabilities (USN-2892-1)"); script_summary(english:"Checks dpkg output for updated packages."); script_set_attribute( attribute:"synopsis", value: "The remote Ubuntu host is missing one or more security-related patches." ); script_set_attribute( attribute:"description", value: "It was discovered that nginx incorrectly handled certain DNS server responses when the resolver is enabled. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service. (CVE-2016-0742) It was discovered that nginx incorrectly handled CNAME response processing when the resolver is enabled. A remote attacker could use this issue to cause nginx to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-0746) It was discovered that nginx incorrectly handled CNAME resolution when the resolver is enabled. A remote attacker could possibly use this issue to cause nginx to consume resources, resulting in a denial of service. (CVE-2016-0747). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues." ); script_set_attribute( attribute:"see_also", value:"https://usn.ubuntu.com/2892-1/" ); script_set_attribute(attribute:"solution", value:"Update the affected packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"exploit_available", value:"false"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nginx-core"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nginx-extras"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nginx-full"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nginx-light"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nginx-naxsi"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:14.04"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:15.10"); script_set_attribute(attribute:"vuln_publication_date", value:"2016/02/15"); script_set_attribute(attribute:"patch_publication_date", value:"2016/02/09"); script_set_attribute(attribute:"plugin_publication_date", value:"2016/02/10"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"Ubuntu Security Notice (C) 2016-2019 Canonical, Inc. / NASL script (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Ubuntu Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l"); exit(0); } include("audit.inc"); include("ubuntu.inc"); include("misc_func.inc"); if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/Ubuntu/release"); if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu"); release = chomp(release); if (! preg(pattern:"^(14\.04|15\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 14.04 / 15.10", "Ubuntu " + release); if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu); flag = 0; if (ubuntu_check(osver:"14.04", pkgname:"nginx-core", pkgver:"1.4.6-1ubuntu3.4")) flag++; if (ubuntu_check(osver:"14.04", pkgname:"nginx-extras", pkgver:"1.4.6-1ubuntu3.4")) flag++; if (ubuntu_check(osver:"14.04", pkgname:"nginx-full", pkgver:"1.4.6-1ubuntu3.4")) flag++; if (ubuntu_check(osver:"14.04", pkgname:"nginx-light", pkgver:"1.4.6-1ubuntu3.4")) flag++; if (ubuntu_check(osver:"14.04", pkgname:"nginx-naxsi", pkgver:"1.4.6-1ubuntu3.4")) flag++; if (ubuntu_check(osver:"15.10", pkgname:"nginx-core", pkgver:"1.9.3-1ubuntu1.1")) flag++; if (ubuntu_check(osver:"15.10", pkgname:"nginx-extras", pkgver:"1.9.3-1ubuntu1.1")) flag++; if (ubuntu_check(osver:"15.10", pkgname:"nginx-full", pkgver:"1.9.3-1ubuntu1.1")) flag++; if (ubuntu_check(osver:"15.10", pkgname:"nginx-light", pkgver:"1.9.3-1ubuntu1.1")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_HOLE, extra : ubuntu_report_get() ); exit(0); } else { tested = ubuntu_pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "nginx-core / nginx-extras / nginx-full / nginx-light / nginx-naxsi"); }
NASL family Amazon Linux Local Security Checks NASL id ALA_ALAS-2016-655.NASL description It was discovered that nginx could perform an out of bound read and dereference an invalid pointer when resolving CNAME DNS records. An attacker able to manipulate DNS responses received by nginx could use this flaw to cause a worker process to crash if nginx enabled the resolver in its configuration. (CVE-2016-0742) A use-after-free flaw was found in the way nginx resolved certain CNAME DNS records. An attacker able to manipulate DNS responses received by nginx could use this flaw to cause a worker process to crash or, possibly, execute arbitrary code if nginx enabled the resolver in its configuration. (CVE-2016-0746) It was discovered that nginx did not limit recursion when resolving CNAME DNS records. An attacker able to manipulate DNS responses received by nginx could use this flaw to cause a worker process to use an excessive amount of resources if nginx enabled the resolver in its configuration. (CVE-2016-0747) last seen 2020-06-01 modified 2020-06-02 plugin id 89120 published 2016-03-04 reporter This script is Copyright (C) 2016-2018 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/89120 title Amazon Linux AMI : nginx (ALAS-2016-655) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Amazon Linux AMI Security Advisory ALAS-2016-655. # include("compat.inc"); if (description) { script_id(89120); script_version("2.4"); script_cvs_date("Date: 2018/04/18 15:09:35"); script_cve_id("CVE-2016-0742", "CVE-2016-0746", "CVE-2016-0747"); script_xref(name:"ALAS", value:"2016-655"); script_name(english:"Amazon Linux AMI : nginx (ALAS-2016-655)"); script_summary(english:"Checks rpm output for the updated packages"); script_set_attribute( attribute:"synopsis", value:"The remote Amazon Linux AMI host is missing a security update." ); script_set_attribute( attribute:"description", value: "It was discovered that nginx could perform an out of bound read and dereference an invalid pointer when resolving CNAME DNS records. An attacker able to manipulate DNS responses received by nginx could use this flaw to cause a worker process to crash if nginx enabled the resolver in its configuration. (CVE-2016-0742) A use-after-free flaw was found in the way nginx resolved certain CNAME DNS records. An attacker able to manipulate DNS responses received by nginx could use this flaw to cause a worker process to crash or, possibly, execute arbitrary code if nginx enabled the resolver in its configuration. (CVE-2016-0746) It was discovered that nginx did not limit recursion when resolving CNAME DNS records. An attacker able to manipulate DNS responses received by nginx could use this flaw to cause a worker process to use an excessive amount of resources if nginx enabled the resolver in its configuration. (CVE-2016-0747)" ); script_set_attribute( attribute:"see_also", value:"https://alas.aws.amazon.com/ALAS-2016-655.html" ); script_set_attribute( attribute:"solution", value:"Run 'yum update nginx' to update your system." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:nginx"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:nginx-debuginfo"); script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux"); script_set_attribute(attribute:"patch_publication_date", value:"2016/02/19"); script_set_attribute(attribute:"plugin_publication_date", value:"2016/03/04"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2016-2018 Tenable Network Security, Inc."); script_family(english:"Amazon Linux Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/rpm-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/AmazonLinux/release"); if (isnull(release) || !strlen(release)) audit(AUDIT_OS_NOT, "Amazon Linux"); os_ver = pregmatch(pattern: "^AL(A|\d)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux"); os_ver = os_ver[1]; if (os_ver != "A") { if (os_ver == 'A') os_ver = 'AMI'; audit(AUDIT_OS_NOT, "Amazon Linux AMI", "Amazon Linux " + os_ver); } if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (rpm_check(release:"ALA", reference:"nginx-1.8.1-1.26.amzn1")) flag++; if (rpm_check(release:"ALA", reference:"nginx-debuginfo-1.8.1-1.26.amzn1")) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get()); else security_hole(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "nginx / nginx-debuginfo"); }
NASL family Fedora Local Security Checks NASL id FEDORA_2016-BF03932BB3.NASL description - update to upstream release 1.8.1 - CVE-2016-0747: Insufficient limits of CNAME resolution in resolver - CVE-2016-0746: Use-after-free during CNAME response processing in resolver - CVE-2016-0742: Invalid pointer dereference in resolver Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2016-03-04 plugin id 89607 published 2016-03-04 reporter This script is Copyright (C) 2016-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/89607 title Fedora 22 : nginx-1.8.1-1.fc22 (2016-bf03932bb3) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Fedora Security Advisory 2016-bf03932bb3. # include("compat.inc"); if (description) { script_id(89607); script_version("1.2"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04"); script_xref(name:"FEDORA", value:"2016-bf03932bb3"); script_name(english:"Fedora 22 : nginx-1.8.1-1.fc22 (2016-bf03932bb3)"); script_summary(english:"Checks rpm output for the updated package."); script_set_attribute( attribute:"synopsis", value:"The remote Fedora host is missing a security update." ); script_set_attribute( attribute:"description", value: " - update to upstream release 1.8.1 - CVE-2016-0747: Insufficient limits of CNAME resolution in resolver - CVE-2016-0746: Use-after-free during CNAME response processing in resolver - CVE-2016-0742: Invalid pointer dereference in resolver Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues." ); # https://lists.fedoraproject.org/pipermail/package-announce/2016-February/176918.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?1997e4ff" ); script_set_attribute(attribute:"solution", value:"Update the affected nginx package."); script_set_attribute(attribute:"risk_factor", value:"High"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:nginx"); script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:22"); script_set_attribute(attribute:"patch_publication_date", value:"2016/02/05"); script_set_attribute(attribute:"plugin_publication_date", value:"2016/03/04"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2016-2020 Tenable Network Security, Inc."); script_family(english:"Fedora Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/RedHat/release"); if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora"); os_ver = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora"); os_ver = os_ver[1]; if (! ereg(pattern:"^22([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 22.x", "Fedora " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu); flag = 0; if (rpm_check(release:"FC22", reference:"nginx-1.8.1-1.fc22")) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get()); else security_hole(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "nginx"); }
NASL family Fedora Local Security Checks NASL id FEDORA_2016-FD3428577D.NASL description - update to upstream release 1.8.1 - CVE-2016-0747: Insufficient limits of CNAME resolution in resolver - CVE-2016-0746: Use-after-free during CNAME response processing in resolver - CVE-2016-0742: Invalid pointer dereference in resolver Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2016-03-04 plugin id 89648 published 2016-03-04 reporter This script is Copyright (C) 2016-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/89648 title Fedora 23 : nginx-1.8.1-1.fc23 (2016-fd3428577d) NASL family Web Servers NASL id NGINX_1_8_1.NASL description According to the self-reported version in its response header, the version of nginx hosted on the remote web server is less than 1.8.1 or 1.9.x prior to 1.9.10. It is, therefore, affected by multiple vulnerabilities as noted in the vendor advisory. last seen 2020-05-09 modified 2018-03-09 plugin id 107265 published 2018-03-09 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/107265 title nginx < 1.8.1 / 1.9.x < 1.9.10 Multiple Vulnerabilities NASL family SuSE Local Security Checks NASL id OPENSUSE-2016-161.NASL description This update to nginx 1.8.1 fixes the following issues : - CVE-2016-0742: Invalid pointer dereference during DNS server response processing (boo#963781) - CVE-2016-0746: Use-after-free condition during CNAME response processing (boo#963778) - CVE-2016-0747: Resource exhaustion through unlimited CNAME resolution (boo#963775) last seen 2020-06-05 modified 2016-02-08 plugin id 88614 published 2016-02-08 reporter This script is Copyright (C) 2016-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/88614 title openSUSE Security Update : nginx (openSUSE-2016-161) NASL family Debian Local Security Checks NASL id DEBIAN_DSA-3473.NASL description Several vulnerabilities were discovered in the resolver in nginx, a small, powerful, scalable web/proxy server, leading to denial of service or, potentially, to arbitrary code execution. These only affect nginx if the last seen 2020-06-01 modified 2020-06-02 plugin id 88702 published 2016-02-12 reporter This script is Copyright (C) 2016-2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/88702 title Debian DSA-3473-1 : nginx - security update
Redhat
advisories |
| ||||
rpms |
|
References
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1302588
- http://www.ubuntu.com/usn/USN-2892-1
- http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html
- http://www.debian.org/security/2016/dsa-3473
- https://bto.bluecoat.com/security-advisory/sa115
- http://www.securitytracker.com/id/1034869
- https://security.gentoo.org/glsa/201606-06
- https://access.redhat.com/errata/RHSA-2016:1425
- https://support.apple.com/kb/HT212818
- http://seclists.org/fulldisclosure/2021/Sep/36