A local overflow exists in the 'ld.so' dynamic linkers in some Linux distributions. By forcing an error while calling a dynamically linked setuid program with a long program name (argv[0]), a local attacker can overflow a buffer and execute arbitrary code on the system and use this vulnerability to gain root privileges on the system.
Classification
Location:
Local Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Rumored
Disclosure:
OSVDB Verified
Solution
Upgrade to ld.so/ld-linux.so version 1.9.5 or higher, as it has been reported to fix this vulnerability. For Caldera OpenLinux 1.1 upgrade to ld.so package version 1.7.14-5 or higher, as it has been reported to fix this vulnerability. KSRT has also released an unofficial patch to address this vulnerability.
This product uses the Daylife API but is not endorsed or certified by Daylife.
This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.