Vulnerabilities > CVE-2011-1018 - Improper Input Validation vulnerability in Logwatch 7.3.6
Attack vector
UNKNOWN Attack complexity
UNKNOWN Privileges required
UNKNOWN Confidentiality impact
UNKNOWN Integrity impact
UNKNOWN Availability impact
UNKNOWN Summary
logwatch.pl in Logwatch 7.3.6 allows remote attackers to execute arbitrary commands via shell metacharacters in a log file name, as demonstrated via a crafted username to a Samba server.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 1 |
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Buffer Overflow via Environment Variables This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
- Server Side Include (SSI) Injection An attacker can use Server Side Include (SSI) Injection to send code to a web application that then gets executed by the web server. Doing so enables the attacker to achieve similar results to Cross Site Scripting, viz., arbitrary code execution and information disclosure, albeit on a more limited scale, since the SSI directives are nowhere near as powerful as a full-fledged scripting language. Nonetheless, the attacker can conveniently gain access to sensitive files, such as password files, and execute shell commands.
- Cross Zone Scripting An attacker is able to cause a victim to load content into their web-browser that bypasses security zone controls and gain access to increased privileges to execute scripting code or other web objects such as unsigned ActiveX controls or applets. This is a privilege elevation attack targeted at zone-based web-browser security. In a zone-based model, pages belong to one of a set of zones corresponding to the level of privilege assigned to that page. Pages in an untrusted zone would have a lesser level of access to the system and/or be restricted in the types of executable content it was allowed to invoke. In a cross-zone scripting attack, a page that should be assigned to a less privileged zone is granted the privileges of a more trusted zone. This can be accomplished by exploiting bugs in the browser, exploiting incorrect configuration in the zone controls, through a cross-site scripting attack that causes the attackers' content to be treated as coming from a more trusted page, or by leveraging some piece of system functionality that is accessible from both the trusted and less trusted zone. This attack differs from "Restful Privilege Escalation" in that the latter correlates to the inadequate securing of RESTful access methods (such as HTTP DELETE) on the server, while cross-zone scripting attacks the concept of security zones as implemented by a browser.
- Cross Site Scripting through Log Files An attacker may leverage a system weakness where logs are susceptible to log injection to insert scripts into the system's logs. If these logs are later viewed by an administrator through a thin administrative interface and the log data is not properly HTML encoded before being written to the page, the attackers' scripts stored in the log will be executed in the administrative interface with potentially serious consequences. This attack pattern is really a combination of two other attack patterns: log injection and stored cross site scripting.
- Command Line Execution through SQL Injection An attacker uses standard SQL injection methods to inject data into the command line for execution. This could be done directly through misuse of directives such as MSSQL_xp_cmdshell or indirectly through injection of data into the database that would be interpreted as shell commands. Sometime later, an unscrupulous backend application (or could be part of the functionality of the same application) fetches the injected data stored in the database and uses this data as command line arguments without performing proper validation. The malicious data escapes that data plane by spawning new commands to be executed on the host.
Exploit-Db
description | Logwatch Log File Special Characters Local Privilege Escalation Vulnerability. CVE-2011-1018 . Remote exploit for linux platform |
id | EDB-ID:35386 |
last seen | 2016-02-04 |
modified | 2011-02-24 |
published | 2011-02-24 |
reporter | Dominik George |
source | https://www.exploit-db.com/download/35386/ |
title | Logwatch Log File - Special Characters Local Privilege Escalation Vulnerability |
Nessus
NASL family SuSE Local Security Checks NASL id SUSE_11_3_LOGWATCH-110325.NASL description The update of logwatch improves the input validation. Before it was possible by an attacker to use special characters in a log-file to execute arbitrary commands. (CVSS v2 Base Score: 8.5 (AV:N/AC:M/Au:S/C:C/I:C/A:C)) last seen 2020-06-01 modified 2020-06-02 plugin id 75639 published 2014-06-13 reporter This script is Copyright (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/75639 title openSUSE Security Update : logwatch (openSUSE-SU-2011:0242-1) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from openSUSE Security Update logwatch-4029. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(75639); script_version("1.4"); script_cvs_date("Date: 2019/10/25 13:36:41"); script_cve_id("CVE-2011-1018"); script_name(english:"openSUSE Security Update : logwatch (openSUSE-SU-2011:0242-1)"); script_summary(english:"Check for the logwatch-4029 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "The update of logwatch improves the input validation. Before it was possible by an attacker to use special characters in a log-file to execute arbitrary commands. (CVSS v2 Base Score: 8.5 (AV:N/AC:M/Au:S/C:C/I:C/A:C))" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.novell.com/show_bug.cgi?id=674984" ); script_set_attribute( attribute:"see_also", value:"https://lists.opensuse.org/opensuse-updates/2011-03/msg00032.html" ); script_set_attribute( attribute:"solution", value:"Update the affected logwatch package." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:logwatch"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:11.3"); script_set_attribute(attribute:"patch_publication_date", value:"2011/03/25"); script_set_attribute(attribute:"plugin_publication_date", value:"2014/06/13"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2014-2019 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/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, "openSUSE"); if (release !~ "^(SUSE11\.3)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "11.3", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if ( rpm_check(release:"SUSE11.3", reference:"logwatch-7.3.6-73.5.1") ) 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, "logwatch"); }
NASL family Fedora Local Security Checks NASL id FEDORA_2011-2396.NASL description This update fixes CVE-2011-1018: Privilege escalation due improper sanitization of special characters in log file names 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 52624 published 2011-03-11 reporter This script is Copyright (C) 2011-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/52624 title Fedora 15 : logwatch-7.3.6-66.20110203svn25.fc15 (2011-2396) 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 2011-2396. # include("compat.inc"); if (description) { script_id(52624); script_version("1.9"); script_cvs_date("Date: 2019/08/02 13:32:34"); script_cve_id("CVE-2011-1018"); script_bugtraq_id(46554); script_xref(name:"FEDORA", value:"2011-2396"); script_name(english:"Fedora 15 : logwatch-7.3.6-66.20110203svn25.fc15 (2011-2396)"); 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: "This update fixes CVE-2011-1018: Privilege escalation due improper sanitization of special characters in log file names 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." ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=680237" ); # https://lists.fedoraproject.org/pipermail/package-announce/2011-March/055617.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?f5eada1c" ); script_set_attribute( attribute:"solution", value:"Update the affected logwatch package." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:logwatch"); script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:15"); script_set_attribute(attribute:"patch_publication_date", value:"2011/03/01"); script_set_attribute(attribute:"plugin_publication_date", value:"2011/03/11"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2011-2019 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:"^15([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 15.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:"FC15", reference:"logwatch-7.3.6-66.20110203svn25.fc15")) 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, "logwatch"); }
NASL family Gentoo Local Security Checks NASL id GENTOO_GLSA-201203-20.NASL description The remote host is affected by the vulnerability described in GLSA-201203-20 (Logwatch: Arbitrary code execution) logwatch.pl does not properly sanitize log filenames against shell metacharacters before passing them to the last seen 2020-06-01 modified 2020-06-02 plugin id 59612 published 2012-06-21 reporter This script is Copyright (C) 2012-2018 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/59612 title GLSA-201203-20 : Logwatch: Arbitrary code execution code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Gentoo Linux Security Advisory GLSA 201203-20. # # The advisory text is Copyright (C) 2001-2015 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(59612); script_version("1.6"); script_cvs_date("Date: 2018/07/11 17:09:26"); script_cve_id("CVE-2011-1018"); script_bugtraq_id(46554); script_xref(name:"GLSA", value:"201203-20"); script_name(english:"GLSA-201203-20 : Logwatch: Arbitrary code execution"); 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-201203-20 (Logwatch: Arbitrary code execution) logwatch.pl does not properly sanitize log filenames against shell metacharacters before passing them to the 'system()' function. Impact : A remote attacker could pass a specially crafted log filename to Logwatch, possibly resulting in execution of arbitrary code with root privileges or a Denial of Service condition. Workaround : There is no known workaround at this time." ); script_set_attribute( attribute:"see_also", value:"https://security.gentoo.org/glsa/201203-20" ); script_set_attribute( attribute:"solution", value: "All Logwatch users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose '>=sys-apps/logwatch-7.4.0'" ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:logwatch"); script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux"); script_set_attribute(attribute:"patch_publication_date", value:"2012/03/28"); script_set_attribute(attribute:"plugin_publication_date", value:"2012/06/21"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2012-2018 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:"sys-apps/logwatch", unaffected:make_list("ge 7.4.0"), vulnerable:make_list("lt 7.4.0"))) 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, "Logwatch"); }
NASL family Debian Local Security Checks NASL id DEBIAN_DSA-2182.NASL description Dominik George discovered that Logwatch does not guard against shell meta-characters in crafted log file names (such as those produced by Samba). As a result, an attacker might be able to execute shell commands on the system running Logwatch. last seen 2020-03-17 modified 2011-03-07 plugin id 52549 published 2011-03-07 reporter This script is Copyright (C) 2011-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/52549 title Debian DSA-2182-1 : logwatch - shell command injection NASL family Oracle Linux Local Security Checks NASL id ORACLELINUX_ELSA-2011-0324.NASL description From Red Hat Security Advisory 2011:0324 : An updated logwatch package that fixes one security issue is now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. Logwatch is a customizable log analysis system. Logwatch parses through your system last seen 2020-06-01 modified 2020-06-02 plugin id 68219 published 2013-07-12 reporter This script is Copyright (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/68219 title Oracle Linux 5 / 6 : logwatch (ELSA-2011-0324) NASL family SuSE Local Security Checks NASL id SUSE_11_LOGWATCH-110325.NASL description Shell meta characters in log file names could lead to execution of arbitrary code. (CVE-2011-1018) last seen 2020-06-01 modified 2020-06-02 plugin id 53228 published 2011-03-31 reporter This script is Copyright (C) 2011-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/53228 title SuSE 11.1 Security Update : logwatch (SAT Patch Number 4236) NASL family Scientific Linux Local Security Checks NASL id SL_20110307_LOGWATCH_ON_SL5_X.NASL description A flaw was found in the way Logwatch processed log files. If an attacker were able to create a log file with a malicious file name, it could result in arbitrary code execution with the privileges of the root user when that log file is analyzed by Logwatch. (CVE-2011-1018) last seen 2020-06-01 modified 2020-06-02 plugin id 60980 published 2012-08-01 reporter This script is Copyright (C) 2012-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/60980 title Scientific Linux Security Update : logwatch on SL5.x, SL6.x i386/x86_64 NASL family CentOS Local Security Checks NASL id CENTOS_RHSA-2011-0324.NASL description An updated logwatch package that fixes one security issue is now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. Logwatch is a customizable log analysis system. Logwatch parses through your system last seen 2020-06-01 modified 2020-06-02 plugin id 53424 published 2011-04-15 reporter This script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/53424 title CentOS 5 : logwatch (CESA-2011:0324) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2011-0324.NASL description An updated logwatch package that fixes one security issue is now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. Logwatch is a customizable log analysis system. Logwatch parses through your system last seen 2020-06-01 modified 2020-06-02 plugin id 52578 published 2011-03-08 reporter This script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/52578 title RHEL 5 / 6 : logwatch (RHSA-2011:0324) NASL family SuSE Local Security Checks NASL id SUSE_11_2_LOGWATCH-110325.NASL description The update of logwatch improves the input validation. Before it was possible by an attacker to use special characters in a log-file to execute arbitrary commands. (CVSS v2 Base Score: 8.5 (AV:N/AC:M/Au:S/C:C/I:C/A:C)) last seen 2020-06-01 modified 2020-06-02 plugin id 53767 published 2011-05-05 reporter This script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/53767 title openSUSE Security Update : logwatch (openSUSE-SU-2011:0242-1) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-1078-1.NASL description Dominik George discovered that logwatch did not properly sanitize log file names that were passed to the shell as part of a command. If a remote attacker were able to generate specially crafted filenames (for example, via Samba logging), they could execute arbitrary code with root privileges. 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 52480 published 2011-03-01 reporter Ubuntu Security Notice (C) 2011-2019 Canonical, Inc. / NASL script (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/52480 title Ubuntu 8.04 LTS / 9.10 / 10.04 LTS / 10.10 : logwatch vulnerability (USN-1078-1) NASL family Fedora Local Security Checks NASL id FEDORA_2011-2318.NASL description This update fixes CVE-2011-1018: Privilege escalation due improper sanitization of special characters in log file names 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 52622 published 2011-03-11 reporter This script is Copyright (C) 2011-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/52622 title Fedora 13 : logwatch-7.3.6-55.fc13 (2011-2318) NASL family Fedora Local Security Checks NASL id FEDORA_2011-2328.NASL description This update fixes CVE-2011-1018: Privilege escalation due improper sanitization of special characters in log file names 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 52623 published 2011-03-11 reporter This script is Copyright (C) 2011-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/52623 title Fedora 14 : logwatch-7.3.6-60.fc14 (2011-2328)
Redhat
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References
- http://secunia.com/advisories/43495
- http://sourceforge.net/mailarchive/forum.php?thread_name=4D604843.7040303%40mblmail.net&forum_name=logwatch-devel
- http://sourceforge.net/tracker/?func=detail&aid=3184223&group_id=312875&atid=1316824
- https://bugzilla.redhat.com/show_bug.cgi?id=680237
- http://www.openwall.com/lists/oss-security/2011/02/24/15
- http://www.securityfocus.com/bid/46554
- http://logwatch.svn.sourceforge.net/viewvc/logwatch/scripts/logwatch.pl?r1=3&r2=26&pathrev=26
- http://www.openwall.com/lists/oss-security/2011/02/24/13
- http://www.vupen.com/english/advisories/2011/0581
- http://secunia.com/advisories/43622
- http://secunia.com/advisories/43356
- http://www.vupen.com/english/advisories/2011/0596
- http://www.redhat.com/support/errata/RHSA-2011-0324.html
- http://www.securitytracker.com/id?1025165
- http://secunia.com/advisories/43644
- http://www.debian.org/security/2011/dsa-2182
- http://www.vupen.com/english/advisories/2011/0533
- http://www.ubuntu.com/usn/USN-1078-1
- http://secunia.com/advisories/43734
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055585.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055617.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055579.html
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html