LessTif libXm privilege escalation

lestif-libxm-privilege-escalation (28298) The risk level is classified as HighHigh Risk

Description:

LessTif could allow a local attacker to gain elevated privileges on the system, caused by improper validation in the DEBUG_FILE environment variable. A local attacker could exploit this vulnerability to create world-writable files with root privileges by executing a setuid binary that is linked with the libXm library.

*CVSS:

Base Score: 3.5
  Access Vector: Local
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: Complete
  Availability Impact: None
 
Temporal Score: 3
  Exploitability: Proof-Of-Concept
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated

Consequences:

Gain Privileges

Remedy:

No remedy available as of September 1, 2014.

References:

  • KAROL.WIESEK.PL Advisory : Lesstif insecure file creation .
  • LessTif Web site: LessTif Web site.
  • BID-19430: LessTif Debug Feature Local Arbitrary File Creation Vulnerability
  • CVE-2006-4124: The libXm library in LessTif 0.95.0 and earlier allows local users to gain privileges via the DEBUG_FILE environment variable, which is used to create world-writable files when libXm is run from a setuid program.
  • OSVDB ID: 27878: LessTif libXm library DEBUG_FILE Variable Symlink Local Privilege Escalation
  • SA21428: LessTif "DEBUG_FILE" Privilege Escalation Vulnerability

Platforms Affected:

  • LessTif.org Open Source Project LessTif 0.93.94-4

Reported:

Aug 09, 2006

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