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Category:   Application (Generic)  >   Perl Vendors:   Wall, Larry
Perl 'CGI.pm' Module Input Validation Flaw Lets Remote Users Inject Headers
SecurityTracker Alert ID:  1027780
SecurityTracker URL:  http://securitytracker.com/id/1027780
CVE Reference:   CVE-2012-5526   (Links to External Site)
Date:  Nov 16 2012
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): prior to 3.63
Description:   A vulnerability was reported in the Perl CGI.pm module. A remote user can inject header lines.

The 'CGI.pm' module does not properly filter carriage returns from user-supplied input to be used in Set-Cookie and P3P headers. A remote user may be able to inject new header items or modify header items.

CGI applications that use the 'CGI.pm' module are affected.

Impact:   A remote user can inject header lines.
Solution:   The vendor has issued a fix (3.63).

The vendor's advisory is available at:

http://cpansearch.perl.org/src/MARKSTOS/CGI.pm-3.63/Changes

Vendor URL:  perl.org/ (Links to External Site)
Cause:   Input validation error
Underlying OS:   Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Mar 26 2013 (Red Hat Issues Fix) Perl 'CGI.pm' Module Input Validation Flaw Lets Remote Users Inject Headers   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 5 and 6.
Oct 4 2013 (Oracle Issues Fix for Solaris) Perl 'CGI.pm' Module Input Validation Flaw Lets Remote Users Inject Headers
Oracle has issued a fix for Solaris 11.1.
Nov 21 2013 (IBM Issues Fix for IBM AIX) Perl 'CGI.pm' Module Input Validation Flaw Lets Remote Users Inject Headers
IBM has issued a fix for AIX 5.3, 6.1, and 7.1.



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