PT-2003-2113 · Linux · Linux Kernel

Published 2003-12-31 · Updated 2008-09-05 · CVE-2003-1161

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel version 2.6-test9-CVS

Description The issue concerns a backdoor in the Linux kernel. This backdoor could allow local users to elevate their privileges. The exploitation involves passing WCLONE| WALL to the sys wait4 function.

Recommendations For Linux kernel version 2.6-test9-CVS, as a temporary workaround, consider restricting access to the sys wait4 function until a patch is available. Avoid using the parameters that could trigger the backdoor, specifically WCLONE| WALL, in the affected function.

Exploit

Fix

Related Identifiers

CVE-2003-1161

Affected Products

Linux Kernel

References · 5

• 🔥 http://ussg.iu.edu/hypermail/linux/kernel/0311.0/0627.html · Exploit
• 🔥 http://ussg.iu.edu/hypermail/linux/kernel/0311.0/0630.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2003-1161 · Security Note
• http://securityfocus.com/bid/8987 · Note
• http://ussg.iu.edu/hypermail/linux/kernel/0311.0/0621.html · Note