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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200609-07] LibXfont, monolithic X.org: Multiple integer overflows Vulnerability Assessment Details
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[GLSA-200609-07] LibXfont, monolithic X.org: Multiple integer overflows |
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LibXfont, monolithic X.org: Multiple integer overflows Detailed Explanation for this Vulnerability Assessment The remote host is affected by the vulnerability described in GLSA-200609-07 (LibXfont, monolithic X.org: Multiple integer overflows) Several integer overflows have been found in the CID font parser. Impact A remote attacker could exploit this vulnerability by enticing a user to load a malicious font file resulting in the execution of arbitrary code with the permissions of the user running the X server which typically is the root user. A local user could exploit this vulnerability to gain elevated rights. Workaround Disable CID-encoded Type 1 fonts by removing the "type1" module and replacing it with the "freetype" module in xorg.conf. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=2006-3739 http://cve.mitre.org/cgi-bin/cvename.cgi?name=2006-3740 Solution: All libXfont users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.2.1" All monolithic X.org users are advised to migrate to modular X.org. Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: (C) 2006 Michel Arboi |
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Filers, Load Balancers |
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