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Gentoo Linux Security Advisory                           GLSA 201311-19
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                                            https://security.gentoo.org/
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 Severity: Normal
    Title: rssh: Access restriction bypass
     Date: November 28, 2013
     Bugs: #415255, #445166
       ID: 201311-19

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Synopsis
=======
Multiple vulnerabilities have been found in rssh, allowing local
attackers to bypass access restrictions.

Background
=========
rssh is a restricted shell, allowing only a few commands like scp or
sftp. It is often used as a complement to OpenSSH to provide limited
access to users.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-shells/rssh              < 2.3.4                    >= 2.3.4

Description
==========
Multiple command line parsing and validation vulnerabilities have been
discovered in rssh. Please review the CVE identifiers referenced below
for details.

Impact
=====
Multiple parsing and validation vulnerabilities can cause the
restrictions set up by rssh to be bypassed.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All rssh users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-shells/rssh-2.3.4"

References
=========
[ 1 ] CVE-2012-2252
      http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-2252
[ 2 ] CVE-2012-3478
      http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-3478

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201311-19

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 2013 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.

https://creativecommons.org/licenses/by-sa/2.5/

Gentoo: GLSA-201311-19: rssh: Access restriction bypass

Multiple vulnerabilities have been found in rssh, allowing local attackers to bypass access restrictions.

Summary

Multiple command line parsing and validation vulnerabilities have been discovered in rssh. Please review the CVE identifiers referenced below for details.

Resolution

All rssh users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-shells/rssh-2.3.4"

References

[ 1 ] CVE-2012-2252 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-2252 [ 2 ] CVE-2012-3478 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-3478

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201311-19

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.

Severity
Severity: Normal
Title: rssh: Access restriction bypass
Date: November 28, 2013
Bugs: #415255, #445166
ID: 201311-19

Synopsis

Multiple vulnerabilities have been found in rssh, allowing local attackers to bypass access restrictions.

Background

rssh is a restricted shell, allowing only a few commands like scp or sftp. It is often used as a complement to OpenSSH to provide limited access to users.

Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-shells/rssh < 2.3.4 >= 2.3.4

Impact

===== Multiple parsing and validation vulnerabilities can cause the restrictions set up by rssh to be bypassed.

Workaround

There is no known workaround at this time.

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