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X11 libXpm XPM Image Decoding Vulnerabilities
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Secunia Advisory:
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SA12549
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Release Date:
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2004-09-16
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Last Update:
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2004-10-01
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Popularity:
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12,245 views
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | X Window System 11 (X11) 6.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| CVE reference: | CVE-2004-0687
CVE-2004-0688
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Description:
Chris Evans has reported multiple vulnerabilities in libXpm, which potentially can be exploited by malicious people to compromise a vulnerable system.
1) A boundary error within the "xpmParseColors()" function can be exploited to cause a stack-based buffer overflow when a specially crafted XPM file is processed.
Successful exploitation may potentially allow execution of arbitrary code.
2) Various input validation errors can be exploited to cause integer overflows when a specially crafted XPM file is processed.
Successful exploitation causes an affected application to crash and may potentially also allow arbitrary code execution.
Solution:
Update to version 6.8.1 or apply patch.
Patch for version 6.8.0.
http://www.x.org/pub/X11R6.8.0/patches/xorg-CAN-2004-0687-0688.patch
Provided and/or discovered by:
Chris Evans
Changelog:
2004-10-01: Added links to US-CERT vulnerability notes.
Original Advisory:
X.Org:
http://www.x.org/pub/X11R6.8.0/patches/README.xorg-CAN-2004-0687-0688.patch
Chris Evans:
http://scary.beasts.org/security/CESA-2004-003.txt
Other References:
US-CERT VU#882750:
http://www.kb.cert.org/vuls/id/882750
US-CERT VU#537878:
http://www.kb.cert.org/vuls/id/537878
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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