LessTif libXm privilege escalation

lestif-libxm-privilege-escalation (28298)

High 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 July 9, 2011.

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.
• SA21428: LessTif "DEBUG_FILE" Privilege Escalation Vulnerability
• VUPEN/ADV-2006-3230: LessTif DEBUG_FILE Environment Vvariable Local Privilege Escalation Vulnerability

Platforms Affected:

• LessTif.org Open Source Project LessTif 0.93.94-4

Reported:

Aug 09, 2006

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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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