Detections
Analytics
Ubuntu 6.06 LTS / 8.04 LTS / 8.10 / 9.04 : libxml2 vulnerabilities (USN-815-1)
critical Nessus Plugin ID 40576
Synopsis
The remote Ubuntu host is missing one or more security-related patches.Description
It was discovered that libxml2 did not correctly handle root XML document element DTD definitions. If a user were tricked into processing a specially crafted XML document, a remote attacker could cause the application linked against libxml2 to crash, leading to a denial of service. (CVE-2009-2414)It was discovered that libxml2 did not correctly parse Notation and Enumeration attribute types. If a user were tricked into processing a specially crafted XML document, a remote attacker could cause the application linked against libxml2 to crash, leading to a denial of service. (CVE-2009-2416)
USN-644-1 fixed a vulnerability in libxml2. This advisory provides the corresponding update for Ubuntu 9.04.
It was discovered that libxml2 did not correctly handle long entity names. If a user were tricked into processing a specially crafted XML document, a remote attacker could execute arbitrary code with user privileges or cause the application linked against libxml2 to crash, leading to a denial of service. (CVE-2008-3529).
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.
Solution
Update the affected packages.See Also
Plugin Details
Severity: Critical
ID: 40576
File Name: ubuntu_USN-815-1.nasl
Version: 1.19
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 8/12/2009
Updated: 1/19/2021
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Critical
Base Score: 10
Temporal Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Vulnerability Information
CPE: p-cpe:/a:canonical:ubuntu_linux:libxml2, p-cpe:/a:canonical:ubuntu_linux:libxml2-dbg, p-cpe:/a:canonical:ubuntu_linux:libxml2-dev, p-cpe:/a:canonical:ubuntu_linux:libxml2-doc, p-cpe:/a:canonical:ubuntu_linux:libxml2-utils, p-cpe:/a:canonical:ubuntu_linux:python-libxml2, p-cpe:/a:canonical:ubuntu_linux:python-libxml2-dbg, p-cpe:/a:canonical:ubuntu_linux:python2.4-libxml2, cpe:/o:canonical:ubuntu_linux:6.06:-:lts, cpe:/o:canonical:ubuntu_linux:8.04:-:lts, cpe:/o:canonical:ubuntu_linux:8.10, cpe:/o:canonical:ubuntu_linux:9.04
Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/11/2009