Bug 306821 - (CVE-2007-3294) CVE-2007-3294 php tidy extension buffer overflow
CVE-2007-3294 php tidy extension buffer overflow
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
low Severity low
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Assigned To: Red Hat Product Security
http://nvd.nist.gov/nvd.cfm?cvename=C...
source=gentoo,reported=20070926,publi...
: Security
Depends On:
Blocks:
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Reported: 2007-09-26 08:13 EDT by Tomas Hoger
Modified: 2007-09-26 11:48 EDT (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2007-09-26 11:48:58 EDT
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Description Tomas Hoger 2007-09-26 08:13:22 EDT
Common Vulnerabilities and Exposures assigned an identifier CVE-2007-3294 to the following vulnerability:

Multiple buffer overflows in libtidy, as used in the Tidy extension for PHP 5.2.3 and possibly other products, allow context-dependent attackers to execute arbitrary code via (1) a long second argument to the tidy_parse_string function or (2) an unspecified vector to the tidy_repair_string function.  NOTE: this might only be an issue in environments where vsnprintf is implemented as a wrapper for vsprintf.

References:

http://www.milw0rm.com/exploits/4080
http://secunia.com/advisories/25735
http://xforce.iss.net/xforce/xfdb/34931
Comment 1 Tomas Hoger 2007-09-26 08:19:17 EDT
This issue does not affect php as shipped in Red Hat Enterprise Linux 2.1, 3, 4,
or 5, as those packages are not built with libtidy support.
Comment 2 Tomas Hoger 2007-09-26 11:48:58 EDT
php-tidy in Fedora does not demonstrate any problems with large arguments passed
to tidy functions.

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