Sun Solaris crontab code execution

solaris-crontab-code-execution (42763) The risk level is classified as HighHigh Risk

Description:

Sun Solaris could allow a local attacker to execute arbitrary code on the system, caused by a race condition error in the Solaris crontab utility. A local attacker could exploit this vulnerability to inject cron jobs into the crontab file of another user and execute arbitrary code on the system with the privileges of the victim.

*CVSS:

Base Score: 4.6
  Access Vector: Local
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 3.4
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Refer to Sun Alert ID: 237864 for patch, upgrade or suggested workaround information. See References.

References:

  • Sun Alert ID: 237864: A Security Vulnerability in the Solaris crontab(1) utility may allow execution of Arbitrary Code.
  • CVE-2008-2538: Unspecified vulnerability in crontab on Sun Solaris 8 through 10, and OpenSolaris before snv_93, allows local users to insert cron jobs into the crontab files of arbitrary users via unspecified vectors.
  • OSVDB ID: 45885: Solaris crontab Race Condition Arbitrary Cron File Manipulation Local Privilege Escalation
  • SA30482: Sun Solaris crontab Privilege Escalation Vulnerability
  • SA30542: Avaya CMS Solaris crontab Privilege Escalation Vulnerability
  • SECTRACK ID: 1020151: Solaris Crontab Injection Bug Lets Local Users Gain Elevated Privileges
  • VUPEN/ADV-2008-1714: Sun Solaris crontab Utility Privilege Escalation Vulnerability

Platforms Affected:

  • Sun Solaris 10 x86
  • Sun Solaris 10 SPARC
  • Sun Solaris 8 SPARC
  • Sun Solaris 8 x86
  • Sun Solaris 9 SPARC
  • Sun Solaris 9 x86

Reported:

May 30, 2008

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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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