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TITLE:
NVIDIA Binary Graphics Driver for Linux Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA22419

VERIFY ADVISORY:
http://secunia.com/advisories/22419/

CRITICAL:
Highly critical

IMPACT:
Privilege escalation, DoS, System access

WHERE:
>From remote

SOFTWARE:
NVIDIA Graphics Drivers for Linux 1.x
http://secunia.com/product/12331/

DESCRIPTION:
Rapid7 has reported a vulnerability in NVIDIA Binary Graphics Driver
for Linux, which can be exploited by malicious, local users to gain
escalated privileges and potentially by malicious people to
compromise a user's system.

A boundary error when performing accelerated rendering of glyphs can
be exploited to cause a buffer overflow via a specially crafted short
sequence of user-supplied glyphs.

Successful exploitation allows execution of arbitrary code with
"root" privileges.

The vulnerability is reported in versions 8774 and 8762. Other
versions may also be affected.

SOLUTION:
Disable accelerated rendering ("RenderAccel" option).

Use another graphics driver.

The vulnerability has reportedly been fixed in the 1.0-9625 beta
driver.

PROVIDED AND/OR DISCOVERED BY:
Derek Abdine, Rapid7.

ORIGINAL ADVISORY:
Rapid7:
http://www.rapid7.com/advisories/R7-0025.jsp

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About:
This Advisory was delivered by Secunia as a free service to help
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