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[ GLSA 201311-19 ] rssh: Access restriction bypass
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PostPosted: Thu Nov 28, 2013 11:26 am    Post subject: [ GLSA 201311-19 ] rssh: Access restriction bypass Reply with quote

Gentoo Linux Security Advisory

Title: rssh: Access restriction bypass (GLSA 201311-19)
Severity: normal
Exploitable: local
Date: November 28, 2013
Bug(s): #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: app-shells/rssh
Vulnerable: < 2.3.4
Unaffected: >= 2.3.4
Architectures: All supported architectures


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


References


CVE-2012-2252


CVE-2012-3478
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