Vulnerabilities > CVE-2006-1061 - Buffer Overflow vulnerability in Daniel Stenberg Curl 7.15.0/7.15.1/7.15.2
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
PARTIAL Availability impact
PARTIAL Summary
Heap-based buffer overflow in cURL and libcURL 7.15.0 through 7.15.2 allows remote attackers to execute arbitrary commands via a TFTP URL (tftp://) with a valid hostname and a long path. Update to version 7.15.3.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 3 |
Nessus
NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_B8E361B8B7FF11DA84140013D4A4A40E.NASL description A Project cURL Security Advisory reports : libcurl uses the given file part of a TFTP URL in a manner that allows a malicious user to overflow a heap-based memory buffer due to the lack of boundary check. This overflow happens if you pass in a URL with a TFTP protocol prefix ( last seen 2020-06-01 modified 2020-06-02 plugin id 21501 published 2006-05-13 reporter This script is Copyright (C) 2006-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/21501 title FreeBSD : curl -- TFTP packet buffer overflow vulnerability (b8e361b8-b7ff-11da-8414-0013d4a4a40e) code #%NASL_MIN_LEVEL 80502 # # (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(21501); script_version("1.12"); script_cvs_date("Date: 2019/08/02 13:32:38"); script_cve_id("CVE-2006-1061"); script_name(english:"FreeBSD : curl -- TFTP packet buffer overflow vulnerability (b8e361b8-b7ff-11da-8414-0013d4a4a40e)"); 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: "A Project cURL Security Advisory reports : libcurl uses the given file part of a TFTP URL in a manner that allows a malicious user to overflow a heap-based memory buffer due to the lack of boundary check. This overflow happens if you pass in a URL with a TFTP protocol prefix ('tftp://'), using a valid host and a path part that is longer than 512 bytes. The affected flaw can be triggered by a redirect, if curl/libcurl is told to follow redirects and an HTTP server points the client to a tftp URL with the characteristics described above." ); # http://curl.haxx.se/docs/adv_20060320.html script_set_attribute( attribute:"see_also", value:"https://curl.haxx.se/docs/CVE-2006-1061.html" ); # https://vuxml.freebsd.org/freebsd/b8e361b8-b7ff-11da-8414-0013d4a4a40e.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?b9d684df" ); 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_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:curl"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:linux-curl"); script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd"); script_set_attribute(attribute:"vuln_publication_date", value:"2006/03/20"); script_set_attribute(attribute:"patch_publication_date", value:"2006/03/20"); script_set_attribute(attribute:"plugin_publication_date", value:"2006/05/13"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2006-2019 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:"curl>7.14.1<7.15.3")) flag++; if (pkg_test(save_report:TRUE, pkg:"linux-curl>7.14.1<7.15.3")) 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 Gentoo Local Security Checks NASL id GENTOO_GLSA-200603-19.NASL description The remote host is affected by the vulnerability described in GLSA-200603-19 (cURL/libcurl: Buffer overflow in the handling of TFTP URLs) Ulf Harnhammar reported a possible buffer overflow in the handling of TFTP URLs in libcurl due to the lack of boundary checks. Impact : An attacker could exploit this vulnerability to compromise a user last seen 2020-06-01 modified 2020-06-02 plugin id 21126 published 2006-03-23 reporter This script is Copyright (C) 2006-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/21126 title GLSA-200603-19 : cURL/libcurl: Buffer overflow in the handling of TFTP URLs code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Gentoo Linux Security Advisory GLSA 200603-19. # # The advisory text is Copyright (C) 2001-2018 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(21126); script_version("1.15"); script_cvs_date("Date: 2019/08/02 13:32:43"); script_cve_id("CVE-2006-1061"); script_xref(name:"GLSA", value:"200603-19"); script_name(english:"GLSA-200603-19 : cURL/libcurl: Buffer overflow in the handling of TFTP URLs"); 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-200603-19 (cURL/libcurl: Buffer overflow in the handling of TFTP URLs) Ulf Harnhammar reported a possible buffer overflow in the handling of TFTP URLs in libcurl due to the lack of boundary checks. Impact : An attacker could exploit this vulnerability to compromise a user's system by enticing the user to request a malicious URL with cURL/libcurl or to use a HTTP server redirecting to a malicious TFTP URL. Workaround : There is no known workaround at this time." ); # http://curl.haxx.se/docs/adv_20060320.html script_set_attribute( attribute:"see_also", value:"https://curl.haxx.se/docs/CVE-2006-1061.html" ); script_set_attribute( attribute:"see_also", value:"https://security.gentoo.org/glsa/200603-19" ); script_set_attribute( attribute:"solution", value: "All cURL users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose '>=net-misc/curl-7.15.1-r1'" ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:curl"); script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux"); script_set_attribute(attribute:"patch_publication_date", value:"2006/03/21"); script_set_attribute(attribute:"plugin_publication_date", value:"2006/03/23"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2006-2019 and is owned by Tenable, Inc. or an Affiliate thereof."); 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:"net-misc/curl", unaffected:make_list("rge 7.15.1-r1", "ge 7.15.3", "le 7.14.1"), vulnerable:make_list("lt 7.15.3"))) 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, "cURL/libcurl"); }
NASL family Fedora Local Security Checks NASL id FEDORA_2006-189.NASL description This curl update fixes security vulnerability CVE-2006-1061 - curl can overflow a heap-based memory buffer if very long TFTP URL with valid host name is passed to curl. This update fixes installation problems on multilib architectures, too. 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 2020-06-01 modified 2020-06-02 plugin id 21123 published 2006-03-23 reporter This script is Copyright (C) 2006-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/21123 title Fedora Core 5 : curl-7.15.1-3 (2006-189) 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 2006-189. # include("compat.inc"); if (description) { script_id(21123); script_version ("1.13"); script_cvs_date("Date: 2019/08/02 13:32:24"); script_cve_id("CVE-2006-1061"); script_xref(name:"FEDORA", value:"2006-189"); script_name(english:"Fedora Core 5 : curl-7.15.1-3 (2006-189)"); script_summary(english:"Checks rpm output for the updated packages."); script_set_attribute( attribute:"synopsis", value:"The remote Fedora Core host is missing a security update." ); script_set_attribute( attribute:"description", value: "This curl update fixes security vulnerability CVE-2006-1061 - curl can overflow a heap-based memory buffer if very long TFTP URL with valid host name is passed to curl. This update fixes installation problems on multilib architectures, too. 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/announce/2006-March/001894.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?dd9102e0" ); script_set_attribute( attribute:"solution", value:"Update the affected curl, curl-debuginfo and / or curl-devel packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:curl"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:curl-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:curl-devel"); script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora_core:5"); script_set_attribute(attribute:"patch_publication_date", value:"2006/03/21"); script_set_attribute(attribute:"plugin_publication_date", value:"2006/03/23"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2006-2019 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:"^5([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 5.x", "Fedora " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu); flag = 0; if (rpm_check(release:"FC5", reference:"curl-7.15.1-3")) flag++; if (rpm_check(release:"FC5", reference:"curl-debuginfo-7.15.1-3")) flag++; if (rpm_check(release:"FC5", reference:"curl-devel-7.15.1-3")) 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, "curl / curl-debuginfo / curl-devel"); }
References
- http://archives.neohapsis.com/archives/fulldisclosure/2006-03/1326.html
- http://curl.haxx.se/docs/adv_20060320.html
- http://secunia.com/advisories/19271
- http://secunia.com/advisories/19335
- http://secunia.com/advisories/19344
- http://secunia.com/advisories/19371
- http://www.gentoo.org/security/en/glsa/glsa-200603-19.xml
- http://www.osvdb.org/23982
- http://www.redhat.com/archives/fedora-announce-list/2006-March/msg00048.html
- http://www.securityfocus.com/bid/17154
- http://www.trustix.org/errata/2006/0016
- http://www.vupen.com/english/advisories/2006/1008
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25318