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Secunia Security Advisory 22642

Secunia Security Advisory 22642
Posted Nov 1, 2006
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Kees Cook has reported a vulnerability in libX11, which can be exploited by malicious, local users to disclose potentially sensitive information.

tags | advisory, local
SHA-256 | 9c16282892f6e4dab0e24d4c215265b890e9934c417e0cef7c9b21261856888f

Secunia Security Advisory 22642

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To improve our services to our customers, we have made a number of
additions to the Secunia Advisories and have started translating the
advisories to German.

The improvements will help our customers to get a better
understanding of how we reached our conclusions, how it was rated,
our thoughts on exploitation, attack vectors, and scenarios.

This includes:
* Reason for rating
* Extended description
* Extended solution
* Exploit code or links to exploit code
* Deep links

Read the full description:
http://corporate.secunia.com/products/48/?r=l

Contact Secunia Sales for more information:
http://corporate.secunia.com/how_to_buy/15/?r=l

----------------------------------------------------------------------

TITLE:
libX11 XCOMPOSEFILE File Descriptor Leak

SECUNIA ADVISORY ID:
SA22642

VERIFY ADVISORY:
http://secunia.com/advisories/22642/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information

WHERE:
Local system

SOFTWARE:
X Window System 11 (X11) 7.x
http://secunia.com/product/8806/

DESCRIPTION:
Kees Cook has reported a vulnerability in libX11, which can be
exploited by malicious, local users to disclose potentially sensitive
information.

The vulnerability is caused due to a file descriptor leak in the
Xinput module, which can be exploited to disclose the content of
certain files.

The vulnerability is reported in libX11 1.0.2 and 1.0.3. Other
versions may also be affected.

SOLUTION:
Fixed in the GIT repository.

PROVIDED AND/OR DISCOVERED BY:
Kees Cook, Ubuntu

ORIGINAL ADVISORY:
https://bugs.freedesktop.org/show_bug.cgi?id=8699

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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