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Category:   Application (Generic)  >   Perl Vendors:   Wall, Larry
Perl UTF8 Regex Processing Double Free Bug May Let Users Execute Arbitrary Code
SecurityTracker Alert ID:  1020253
SecurityTracker URL:  http://securitytracker.com/id/1020253
CVE Reference:   CVE-2008-1927   (Links to External Site)
Date:  Jun 12 2008
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): 5.8.8
Description:   A vulnerability was reported in Perl. A user may be able to execute arbitrary code on the target system.

A user can supply a specially crafted regular expression containing UTF8 characters to trigger a double free and execute arbitrary code on the target system with the privileges of the process running perl.

steev at hot.pl reported this vulnerability.

Impact:   A user may be able to execute arbitrary code on the target system.
Solution:   The vendor has issued a source code fix.
Cause:   State error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jun 12 2008 (Red Hat Issues Fix) Perl UTF8 Regex Processing Double Free Bug May Let Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Enterprise Linux 3, 4, and 5.
Jun 17 2008 (Red Hat Issues Fix) Perl UTF8 Regex Processing Double Free Bug May Let Users Execute Arbitrary Code
Red Hat has released a fix for Red Hat Application Stack v1.
Aug 13 2008 (VMware Issues Fix for ESX) Perl UTF8 Regex Processing Double Free Bug May Let Users Execute Arbitrary Code
VMware issues fix for ESX Server.



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