rPath Linux 1 rMake privilege escalation

rpath-rmake-privilege-escalation (31942)

High Risk

Description:

rPath Linux 1 could allow a local attacker to gain elevated privileges caused by an error in rMake. Supplemental users are not dropped by the chroot helper in rMake, which could allow applications to be installed with insecure permissions. A local attacker could exploit this vulnerability to execute arbitrary commands with elevated privileges.

*CVSS:

Base Score:	7
Access Vector:	Local
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	5.2
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Privileges

Remedy:

Upgrade to the latest version of rPath Linux 1 (1.0.4 or later), as listed in rPSA-2007-0020-2. See References.

References:

• BugTraq Mailing List, Thu Jan 25 2007 - 17:15:21 CST: rPSA-2007-0020-1 rmake.
• Full-Disclosure Mailing List, Mon Jan 29 2007 - 16:24:31 CST: rPSA-2007-0020-2 rmake.
• rPath Web site: rPath JIRA - rPath JIRA.
• CVE-2007-0536: The chroot helper in rMake for rPath Linux 1 does not drop supplemental groups, which causes packages to be installed with insecure permissions and might allow local users to gain privileges.

Platforms Affected:

• rPath rPath Linux 1 prior to 1.0.4

Reported:

Jan 25, 2007

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