GLSA 201502-14: grep: Denial of Service

Severity:normal
Title:grep: Denial of Service
Date:02/25/2015
Bugs: #537046
ID:201502-14

Synopsis

A vulnerability in grep could result in Denial of Service.

Background

grep is the GNU regular expression matcher.

Affected packages

Package Vulnerable Unaffected Architecture(s)
sys-apps/grep < 2.21-r1 >= 2.21-r1 All supported architectures

Description

A heap buffer overrun has been fixed in the bmexec_trans function in kwset.c.

Impact

A local user can cause Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All grep users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-apps/grep-2.21-r1"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201502-14.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

Thank you!