Apple Mac OS X ppp daemon privilege escalation
| macos-pppd-privilege-escalation (34503) |  High Risk |
Description:
Apple Mac OS X could allow a local attacker to gain elevated privileges, caused by an implememtation error in the ppp daemon. An attacker could exploit this vulnerability to load plugins using the command line and execute arbitrary code on the system with root privileges.
Platforms Affected:
- Apple, Mac OS X 10.4
- Apple, Mac OS X 10.4.1
- Apple, Mac OS X 10.4.10
- Apple, Mac OS X 10.4.11
- Apple, Mac OS X 10.4.2
- Apple, Mac OS X 10.4.3
- Apple, Mac OS X 10.4.4
- Apple, Mac OS X 10.4.5
- Apple, Mac OS X 10.4.6
- Apple, Mac OS X 10.4.7
- Apple, Mac OS X 10.4.8
- Apple, Mac OS X 10.4.9
- Apple, Mac OS X Server 10.4
- Apple, Mac OS X Server 10.4.1
- Apple, Mac OS X Server 10.4.10
- Apple, Mac OS X Server 10.4.11
- Apple, Mac OS X Server 10.4.2
- Apple, Mac OS X Server 10.4.3
- Apple, Mac OS X Server 10.4.4
- Apple, Mac OS X Server 10.4.5
- Apple, Mac OS X Server 10.4.6
- Apple, Mac OS X Server 10.4.7
- Apple, Mac OS X Server 10.4.8
- Apple, Mac OS X Server 10.4.9
Remedy:
Apply Apple Security Update 2007-005, available from the Apple Web site. See References.
Consequences:
Gain Privileges
References:
- Apple Security Update 2007-005, About Security Update 2007-005 at http://docs.info.apple.com/article.html?artnum=305530.
- Apple Web site, Apple security updates at http://docs.info.apple.com/article.html?artnum=61798.
- iDefense Labs PUBLIC ADVISORY: 05.24.07, Apple Computer Mac OS X pppd Plugin Loading Privilege Escalation Vulnerability at http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=537.
- BID-24144: Apple Mac OS X 2007-005 Multiple Security Vulnerabilities
- CVE-2007-0752: The PPP daemon (pppd) in Apple Mac OS X 10.4.8 checks ownership of the stdin file descriptor to determine if the invoker has sufficient privileges, which allows local users to load arbitrary plugins and gain root privileges by bypassing this check.
- FrSIRT/ADV-2007-1939: Apple Mac OS X Multiple Remote Code Execution and Privilege Escalation Vulnerabilities
- OSVDB ID: 35144: Mac OS X PPP Daemon (pppd) Local Privilege Escalation
- SECTRACK ID: 1018124: Mac OS X pppd Plugin Loading Feature Lets Local Users Gain Root Privileges
Reported:
May 24, 2007
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