Vulnerabilities > CVE-2015-4047 - NULL Pointer Dereference vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
COMPLETE Summary
racoon/gssapi.c in IPsec-Tools 0.8.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a series of crafted UDP requests.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family SuSE Local Security Checks NASL id SUSE_SU-2015-1367-1.NASL description ipsec-tools was updated to fix one security issue and a bug. This security issue was fixed : - CVE-2015-4047: racoon/gssapi.c in ipsec-tools allowed remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a series of crafted UDP requests (bsc#931989). Due to a packaging error, the racoonf.conf config file was symlinked to /usr/share/doc/packages/ipsec-tools/examples/racoon/samples/racoon.con f on some processor platforms, edits might have happened only in this example file. Before upgrading, please check if /etc/racoon/racoon.conf is a symlink to this example file and backup the content. (bsc#939810) Note that Tenable Network Security has extracted the preceding description block directly from the SUSE 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 85376 published 2015-08-13 reporter This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/85376 title SUSE SLES11 Security Update : ipsec-tools (SUSE-SU-2015:1367-1) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from SUSE update advisory SUSE-SU-2015:1367-1. # The text itself is copyright (C) SUSE. # include("compat.inc"); if (description) { script_id(85376); script_version("2.8"); script_cvs_date("Date: 2019/09/11 11:22:12"); script_cve_id("CVE-2015-4047"); script_bugtraq_id(74739); script_name(english:"SUSE SLES11 Security Update : ipsec-tools (SUSE-SU-2015:1367-1)"); script_summary(english:"Checks rpm output for the updated package."); script_set_attribute( attribute:"synopsis", value:"The remote SUSE host is missing one or more security updates." ); script_set_attribute( attribute:"description", value: "ipsec-tools was updated to fix one security issue and a bug. This security issue was fixed : - CVE-2015-4047: racoon/gssapi.c in ipsec-tools allowed remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a series of crafted UDP requests (bsc#931989). Due to a packaging error, the racoonf.conf config file was symlinked to /usr/share/doc/packages/ipsec-tools/examples/racoon/samples/racoon.con f on some processor platforms, edits might have happened only in this example file. Before upgrading, please check if /etc/racoon/racoon.conf is a symlink to this example file and backup the content. (bsc#939810) Note that Tenable Network Security has extracted the preceding description block directly from the SUSE 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://bugzilla.suse.com/show_bug.cgi?id=931989" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=939810" ); script_set_attribute( attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2015-4047/" ); # https://www.suse.com/support/update/announcement/2015/suse-su-20151367-1.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?5d5bbed3" ); script_set_attribute( attribute:"solution", value: "To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product : SUSE Linux Enterprise Server for VMWare 11-SP3 : zypper in -t patch slessp3-ipsec-tools-12024=1 SUSE Linux Enterprise Server 11-SP4 : zypper in -t patch slessp4-ipsec-tools-12024=1 SUSE Linux Enterprise Server 11-SP3 : zypper in -t patch slessp3-ipsec-tools-12024=1 SUSE Linux Enterprise Debuginfo 11-SP3 : zypper in -t patch dbgsp3-ipsec-tools-12024=1 To bring your system up-to-date, use 'zypper patch'." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/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:novell:suse_linux:ipsec-tools"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11"); script_set_attribute(attribute:"vuln_publication_date", value:"2015/05/29"); script_set_attribute(attribute:"patch_publication_date", value:"2015/08/06"); script_set_attribute(attribute:"plugin_publication_date", value:"2015/08/13"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"SuSE Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/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/SuSE/release"); if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE"); os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE"); os_ver = os_ver[1]; if (! preg(pattern:"^(SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES11", "SUSE " + os_ver); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu); sp = get_kb_item("Host/SuSE/patchlevel"); if (isnull(sp)) sp = "0"; if (os_ver == "SLES11" && (! preg(pattern:"^(3|4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP3/4", os_ver + " SP" + sp); flag = 0; if (rpm_check(release:"SLES11", sp:"4", reference:"ipsec-tools-0.7.3-1.13.1")) flag++; if (rpm_check(release:"SLES11", sp:"3", reference:"ipsec-tools-0.7.3-1.13.1")) 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, "ipsec-tools"); }
NASL family Debian Local Security Checks NASL id DEBIAN_DLA-234.NASL description Javantea discovered a NULL pointer dereference flaw in racoon, the Internet Key Exchange daemon of ipsec-tools. A remote attacker can use this flaw to cause the IKE daemon to crash via specially crafted UDP packets, resulting in a denial of service. NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-03-17 modified 2015-06-01 plugin id 83906 published 2015-06-01 reporter This script is Copyright (C) 2015-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/83906 title Debian DLA-234-1 : ipsec-tools security update code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DLA-234-1. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(83906); script_version("2.7"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12"); script_cve_id("CVE-2015-4047"); script_bugtraq_id(74739); script_name(english:"Debian DLA-234-1 : ipsec-tools security update"); script_summary(english:"Checks dpkg output for the updated packages."); script_set_attribute( attribute:"synopsis", value:"The remote Debian host is missing a security update." ); script_set_attribute( attribute:"description", value: "Javantea discovered a NULL pointer dereference flaw in racoon, the Internet Key Exchange daemon of ipsec-tools. A remote attacker can use this flaw to cause the IKE daemon to crash via specially crafted UDP packets, resulting in a denial of service. NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA 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://lists.debian.org/debian-lts-announce/2015/05/msg00019.html" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/squeeze-lts/ipsec-tools" ); script_set_attribute( attribute:"solution", value:"Upgrade the affected ipsec-tools, and racoon packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/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:debian:debian_linux:ipsec-tools"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:racoon"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0"); script_set_attribute(attribute:"patch_publication_date", value:"2015/05/30"); script_set_attribute(attribute:"plugin_publication_date", value:"2015/06/01"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2015-2020 Tenable Network Security, Inc."); script_family(english:"Debian Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l"); exit(0); } include("audit.inc"); include("debian_package.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian"); if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (deb_check(release:"6.0", prefix:"ipsec-tools", reference:"1:0.7.3-12+deb6u1")) flag++; if (deb_check(release:"6.0", prefix:"racoon", reference:"1:0.7.3-12+deb6u1")) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get()); else security_hole(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-2623-1.NASL description It was discovered that racoon, the ipsec-tools IKE daemon, incorrectly handled certain UDP packets. A remote attacker could use this issue to cause racoon to crash, resulting in a denial of service. 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 83949 published 2015-06-02 reporter Ubuntu Security Notice (C) 2015-2019 Canonical, Inc. / NASL script (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/83949 title Ubuntu 12.04 LTS : ipsec-tools vulnerability (USN-2623-1) NASL family F5 Networks Local Security Checks NASL id F5_BIGIP_SOL05013313.NASL description racoon/gssapi.c in IPsec-Tools 0.8.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a series of crafted UDP requests. (CVE-2015-4047) Impact When this vulnerability is exploited, the remote attacker may be able use crafted UDP requests to cause the racoon process to stop responding, resulting in a denial-of-service (DoS) attack. last seen 2020-03-17 modified 2016-01-28 plugin id 88428 published 2016-01-28 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/88428 title F5 Networks BIG-IP : IPsec vulnerability (K05013313) NASL family Fedora Local Security Checks NASL id FEDORA_2015-8968.NASL description Upgraded to 0.8.2, fix for CVE-2015-4047, support for Calling-Station-Id 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 2015-06-09 plugin id 84038 published 2015-06-09 reporter This script is Copyright (C) 2015-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/84038 title Fedora 20 : ipsec-tools-0.8.2-1.fc20 (2015-8968) NASL family Debian Local Security Checks NASL id DEBIAN_DSA-3272.NASL description Javantea discovered a NULL pointer dereference flaw in racoon, the Internet Key Exchange daemon of ipsec-tools. A remote attacker can use this flaw to cause the IKE daemon to crash via specially crafted UDP packets, resulting in a denial of service. last seen 2020-06-01 modified 2020-06-02 plugin id 83789 published 2015-05-26 reporter This script is Copyright (C) 2015-2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/83789 title Debian DSA-3272-1 : ipsec-tools - security update NASL family Fedora Local Security Checks NASL id FEDORA_2015-8948.NASL description Upgraded to 0.8.2, fix for CVE-2015-4047, support for Calling-Station-Id 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 2015-06-09 plugin id 84037 published 2015-06-09 reporter This script is Copyright (C) 2015-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/84037 title Fedora 21 : ipsec-tools-0.8.2-1.fc21 (2015-8948)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159482.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159549.html
- http://packetstormsecurity.com/files/131992/IPsec-Tools-0.8.2-Denial-Of-Service.html
- http://seclists.org/fulldisclosure/2015/May/81
- http://seclists.org/fulldisclosure/2015/May/83
- http://www.debian.org/security/2015/dsa-3272
- http://www.openwall.com/lists/oss-security/2015/05/20/1
- http://www.openwall.com/lists/oss-security/2015/05/21/11
- http://www.securityfocus.com/bid/74739
- http://www.securitytracker.com/id/1032397
- http://www.ubuntu.com/usn/USN-2623-1
- https://support.f5.com/csp/article/K05013313
- https://www.altsci.com/ipsec/ipsec-tools-sa.html