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Category:   Application (Generic)  >   Glibc Vendors:   GNU [multiple authors]
Glibc Regex Bug Lets Remote or Local Users Deny Service
SecurityTracker Alert ID:  1028063
SecurityTracker URL:  http://securitytracker.com/id/1028063
CVE Reference:   CVE-2013-0242   (Links to External Site)
Date:  Jan 31 2013
Impact:   Denial of service via local system, Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Glibc. A remote or local user can cause denial of service conditions.

A remote or local user can send specially crafted data to trigger a regex processing error and cause the target application to crash.

The vulnerability resides in 'posix/regexec.c'.

The original advisory is available at:

http://sourceware.org/bugzilla/show_bug.cgi?id=15078

Impact:   A remote or local user can cause denial of service conditions.
Solution:   The vendor has issued a proposed patch, available at:

http://sourceware.org/ml/libc-alpha/2013-01/msg00967.html

Vendor URL:  www.gnu.org/software/libc/ (Links to External Site)
Cause:   Input validation error
Underlying OS:   Linux (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 10 2014 (VMware Issues Fix for VMware ESXi) Glibc Regex Bug Lets Remote or Local Users Deny Service   (VMware Security Announcements <security-announce@lists.vmware.com>)
VMware has issued a fix for ESXi 5.5.



 Source Message Contents



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