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