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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200501-07] xine-lib: Multiple overflows


Vulnerability Assessment Details

[GLSA-200501-07] xine-lib: Multiple overflows

Vulnerability Assessment Summary
xine-lib: Multiple overflows

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200501-07
(xine-lib: Multiple overflows)


Ariel Berkman discovered that xine-lib reads specific input data
into an array without checking the input size in demux_aiff.c, making
it vulnerable to a buffer overflow (CVE-2004-1300) . iDefense
discovered that the PNA_TAG handling code in pnm_get_chunk() does not
check if the input size is larger than the buffer size (CVE-2004-1187).
iDefense also discovered that in this same function, a negative value
could be given to an unsigned variable that specifies the read length
of input data (CVE-2004-1188).

Impact

A remote attacker could craft a malicious movie or convince a
targeted user to connect to a malicious PNM server, which could result
in the execution of arbitrary code with the rights of the user running
any xine-lib frontend.

Workaround

There is no known workaround at this time.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1187
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1188
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1300
http://www.idefense.com/application/poi/display?id=176&type=vulnerabilities
http://www.idefense.com/application/poi/display?id=177&type=vulnerabilities
http://tigger.uic.edu/~jlongs2/holes/xine-lib.txt


Solution:
All xine-lib users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose media-libs/xine-lib


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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