QNX Neutrino RTOS phfont race condition

qnx-phfont-race-condition (24555)

High Risk

Description:

QNX Neutrino RTOS could allow a local attacker to gain elevated privileges. A local attacker could exploit a race condition in the phfont command to gain root privileges on the system by modifying the PHFONT and PHOTON2_PATH environment variables.

*CVSS:

Base Score:	5.6
Access Vector:	Local
Access Complexity:	High
Authentication:	Not Required
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	4.5
Exploitability:	Unproven
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Privileges

Remedy:

No remedy available as of July 9, 2011.

References:

• iDEFENSE Security Advisory 02.07.06: QNX Neutrino RTOS phfont Race Condition Vulnerability.
• QNX Software System Web site: QNX Realtime Operating System Overview.
• BID-16539: QNX Multiple Local Privilege Escalation and Denial Of Service Vulnerabilities
• CVE-2006-0620: Race condition in phfont in QNX Neutrino RTOS 6.2.1 allows local users to execute arbitrary code via unspecified manipulations of the PHFONT and PHOTON2_PATH environment variables.
• OSVDB ID: 22963: QNX Neutrino RTOS phfont Path Subversion Privilege Escalation
• SA18750: QNX Neutrino RTOS Multiple Privilege Escalation Vulnerabilities
• SECTRACK ID: 1015599: QNX Neutrino RTOS Multiple Bugs Let Local Users Gain Elevated Privileges
• VUPEN/ADV-2006-0474: QNX Neutrino RTOS Multiple Local Privilege Escalation Vulnerabilities

Platforms Affected:

• QNX QNX Neutrino RTOS 6.2.1

Reported:

Feb 07, 2006

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