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Ubuntu Security Notice (C) 2008-2016 Canonical, Inc. / NASL script (C) 2008-2016 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related
USN-571-1 fixed vulnerabilities in X.org. The upstream fixes were
incomplete, and under certain situations, applications using the
MIT-SHM extension (e.g. Java, wxWidgets) would crash with BadAlloc X
errors. This update fixes the problem.
We apologize for the inconvenience.
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.
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.
Update the affected packages.
Risk factor :
High / CVSS Base Score : 9.3
Public Exploit Available : true
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 30042 ()
CVE ID: CVE-2007-5760CVE-2007-5958CVE-2007-6427CVE-2007-6428CVE-2007-6429CVE-2008-0006
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