Detections
Analytics
Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : libxfont, xorg-server vulnerabilities (USN-571-1)
high Nessus Plugin ID 30019
Synopsis
The remote Ubuntu host is missing one or more security-related patches.Description
Multiple overflows were discovered in the XFree86-Misc, XInput-Misc, TOG-CUP, EVI, and MIT-SHM extensions which did not correctly validate function arguments. An authenticated attacker could send specially crafted requests and gain root privileges. (CVE-2007-5760, CVE-2007-6427, CVE-2007-6428, CVE-2007-6429)It was discovered that the X.org server did not use user privileges when attempting to open security policy files. Local attackers could exploit this to probe for files in directories they would not normally be able to access. (CVE-2007-5958)
It was discovered that the PCF font handling code did not correctly validate the size of fonts. An authenticated attacker could load a specially crafted font and gain additional privileges. (CVE-2008-0006).
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: High
ID: 30019
File Name: ubuntu_USN-571-1.nasl
Version: 1.18
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 1/18/2008
Updated: 1/19/2021
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.4
CVSS v2
Risk Factor: High
Base Score: 9.3
Temporal Score: 7.7
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
Vulnerability Information
CPE: p-cpe:/a:canonical:ubuntu_linux:libxfont1-dbg, p-cpe:/a:canonical:ubuntu_linux:xprint, p-cpe:/a:canonical:ubuntu_linux:xprint-common, p-cpe:/a:canonical:ubuntu_linux:xdmx-tools, p-cpe:/a:canonical:ubuntu_linux:xserver-xorg-core-dbg, cpe:/o:canonical:ubuntu_linux:6.10, cpe:/o:canonical:ubuntu_linux:7.04, p-cpe:/a:canonical:ubuntu_linux:xdmx, p-cpe:/a:canonical:ubuntu_linux:xserver-xephyr, p-cpe:/a:canonical:ubuntu_linux:libxfont1, p-cpe:/a:canonical:ubuntu_linux:xvfb, cpe:/o:canonical:ubuntu_linux:7.10, p-cpe:/a:canonical:ubuntu_linux:xserver-xorg-core, cpe:/o:canonical:ubuntu_linux:6.06:-:lts, p-cpe:/a:canonical:ubuntu_linux:xnest, p-cpe:/a:canonical:ubuntu_linux:xserver-xorg-dev, p-cpe:/a:canonical:ubuntu_linux:libxfont-dev
Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 1/17/2008
Exploitable With
Core Impact
Reference Information
CVE: CVE-2007-5760, CVE-2007-5958, CVE-2007-6427, CVE-2007-6428, CVE-2007-6429, CVE-2008-0006