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libpng ICC Profile Chunk Denial of Service Vulnerability
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Secunia Advisory:
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SA27130
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Release Date:
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2007-10-08
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Last Update:
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2007-10-16
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Popularity:
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6,262 views
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Critical:
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Less critical
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Impact:
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DoS
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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: | libpng 1.x
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| CVE reference: | CVE-2007-5267
CVE-2007-5266
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Description:
A vulnerability has been reported in libpng, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to an off-by-one error within the ICC profile chunk handling, which potentially can be exploited to crash an application using the library.
The vulnerability is reported in version 1.2.21. Other versions may also be affected.
Solution:
Update to version 1.2.22.
NOTE: Various other, similar off-by-one errors have also been fixed in version 1.2.22.
This version also fixes an issue related to the use of a logical NOT instead of a bitwise NOT.
For more information see vulnerability #1 in:
SA27093
Provided and/or discovered by:
bnanson
Changelog:
2007-10-09: Added CVE reference.
2007-10-15: Updated "Solution" section. Added new link to "Original Advisory" section.
Original Advisory:
http://www.libpng.org/pub/png/libpng.html
http://sourceforge.net/mailarchive/fo....com&forum_name=png-mng-implement
http://www.libpng.org/pub/png/src/libpng-1.2.22-README.txt
Other References:
SA27093:
http://secunia.com/advisories/27093/
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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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