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Category:   Application (Generic)  >   Perl Vendors:   Wall, Larry
Perl Memory Error in 'File::Glob::bsd_glob()' May Let Remote Users Deny Service or Execute Arbitrary Code
SecurityTracker Alert ID:  1027082
SecurityTracker URL:  https://securitytracker.com/id/1027082
CVE Reference:   CVE-2011-2728   (Links to External Site)
Date:  May 22 2012
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 5.16.0
Description:   A vulnerability was reported in Perl. A remote user may be able to execute arbitrary code or cause denial of service conditions on the target system.

On applications that call the 'File::Glob::bsd_glob()' function and accept user-supplied flags, a user can provide the GLOB_ALTDIRFUNC flag to trigger a memory error and potentially execute arbitrary code or cause a crash.

The specific impact depends on the application.

Clement Lecigne reported this vulnerability.

Impact:   A remote user may be able to execute arbitrary code or cause a crash on the target system.
Solution:   The vendor has issued a fix (5.16.0).

The vendor's advisory is available at:

http://search.cpan.org/~rjbs/perl-5.16.0/pod/perldelta.pod#Security

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

Message History:   None.


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