rssh command line command execution

rssh-command-line-command-exec (80335) The risk level is classified as HighHigh Risk

Description:

rssh could allow a remote attacker to execute arbitrary commands on the system, caused by an error when validating the "--rsh" command line option. An attacker could exploit this vulnerability to inject and execute arbitrary commands on the system.

*CVSS:

Base Score: 7.5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.5
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of rssh (2.3.4 or later), available from the rssh Web site. See References.

References:

  • Red Hat Bugzilla Bug 880177: CVE-2012-2252 rssh: incorrect filtering of rsync --rsh command line option.
  • rssh Web site: rssh - restricted shell for scp/sftp.
  • BID-56708: rssh Command Line Filtering Multiple Remote Arbitrary Command Execution Vulnerabilities
  • CVE-2012-2252: Incomplete blacklist vulnerability in rssh before 2.3.4, when the rsync protocol is enabled, allows local users to bypass intended restricted shell access via the --rsh command line option.
  • DSA-2578: rssh -- insufficient filtering of rsync command line
  • OSVDB ID: 87926: rssh --rsh Command Line Option Local Command Filter Bypass
  • SA51343: rssh Commands Filter Security Bypass Vulnerability

Platforms Affected:

  • rssh rssh 2.3.3

Reported:

Nov 28, 2012

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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