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Debian Security Advisory DSA 1466-2 (xorg-server, libxfont, xfree86)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to xorg-server, libxfont, xfree86 announced via advisory DSA 1466-2.
Insight
Insight
The X.org fix for CVE-2007-6429 introduced a regression in the MIT-SHM extension, which prevented the start of a few applications. This update fixes this problem and also references the patch for CVE-2008-0006, which was included in the previous update, but not mentioned in the advisory text. Several local vulnerabilities have been discovered in the X.Org X server. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2007-5760 regenrecht discovered that missing input sanitising within the XFree86-Misc extension may lead to local privilege escalation. CVE-2007-5958 It was discovered that error messages of security policy file handling may lead to a minor information leak disclosing the existence of files otherwise unaccessible to the user. CVE-2007-6427 regenrecht discovered that missing input sanitising within the XInput-Misc extension may lead to local privilege escalation. CVE-2007-6428 regenrecht discovered that missing input sanitising within the TOG-CUP extension may lead to disclosure of memory contents. CVE-2007-6429 regenrecht discovered that integer overflows in the EVI and MIT-SHM extensions may lead to local privilege escalation. CVE-2008-0006 It was discovered that insufficient validation of PCF fonts could lead to local privilege escalation. For the unstable distribution (sid), this problem has been fixed in version 2:1.4.1~git20080118-1 of xorg-server and version 1:1.3.1-2 of libxfont. For the stable distribution (etch), this problem has been fixed in version 1.1.1-21etch3 or xorg-server and 1.2.2-2.etch1 of libxfont. For the oldstable distribution (etch), this problem has been fixed in version 4.3.0.dfsg.1-14sarge6 of xfree86. We recommend that you upgrade your libxfont abd xorg-server packages.
Solution
Solution
https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201466-2