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[ GLSA 200611-03 ] NVIDIA binary graphics driver: Privilege escalation vulnerability
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GLSA
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PostPosted: Tue Nov 07, 2006 11:26 pm    Post subject: [ GLSA 200611-03 ] NVIDIA binary graphics driver: Privilege Reply with quote

Gentoo Linux Security Advisory

Title: NVIDIA binary graphics driver: Privilege escalation vulnerability (GLSA 200611-03)
Severity: high
Exploitable: remote, local
Date: November 07, 2006
Updated: November 10, 2006
Bug(s): #151635
ID: 200611-03

Synopsis

The NVIDIA binary graphics driver is vulnerable to a local privilege escalation through an X session.

Background

The NVIDIA binary graphics driver from NVIDIA Corporation provides the kernel module and the GL modules for graphic acceleration on the NVIDIA based graphic cards.

Affected Packages

Package: x11-drivers/nvidia-drivers
Vulnerable: < 1.0.8776
Unaffected: >= 1.0.8776
Unaffected: < 1.0.8762
Architectures: All supported architectures


Description

Rapid7 reported a boundary error in the NVIDIA binary graphics driver that leads to a buffer overflow in the accelerated rendering functionality.

Impact

An X client could trigger the buffer overflow with a maliciously crafted series of glyphs. A remote attacker could also entice a user to open a specially crafted web page, document or X client that will trigger the buffer overflow. This could result in the execution of arbitrary code with root privileges or at least in the crash of the X server.

Workaround

Disable the accelerated rendering functionality in the Device section of xorg.conf :
Code:
Option      "RenderAccel""false"


Resolution

NVIDIA binary graphics driver users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-drivers/nvidia-drivers-1.0.8776"


References

CVE-2006-5379


Last edited by GLSA on Wed Nov 07, 2007 4:18 am; edited 3 times in total
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