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Category:   Application (Generic)  >   PCRE Vendors:   pcre.org
PCRE Regex Processing Integer Overflows May Let Users Execute Arbitrary Code
SecurityTracker Alert ID:  1018930
SecurityTracker URL:  http://securitytracker.com/id/1018930
CVE Reference:   CVE-2005-4872, CVE-2006-7227   (Links to External Site)
Updated:  Nov 15 2007
Original Entry Date:  Nov 10 2007
Impact:   Execution of arbitrary code via local system, Execution of arbitrary code via network, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 6.7
Description:   Several vulnerabilities were reported in PCRE. A local or remote user can execute arbitrary code on the target system.

A local or remote user can supply a specially crafted regular expression to trigger an integer overflow.

The impact depends on the application that uses the library. Applications that parse untrusted regular expressions may be vulnerable.

Chris Evans of Google Security Team reported these vulnerabilities.

The original advisory is available at:

http://scary.beasts.org/security/CESA-2007-006.html

Impact:   A local or remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fixed version (6.7).
Vendor URL:  www.pcre.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Nov 10 2007 (Red Hat Issues Fix) PCRE Regex Processing Integer Overflows May Let Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux 4 and 5.



 Source Message Contents



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