CVE-2011-0536 Privilege escalation in n/a

Medium 6.9 Published 8 Apr 2011 Updated 6 Aug 2024

Local attackers can gain privileges by placing a malicious shared object in the current directory when executing setuid programs with specific RPATH settings.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2011-0536?

CVE-2011-0536 is a medium-severity vulnerability in Gnu Glibc, published on 8 Apr 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Multiple untrusted search path vulnerabilities in elf/dl-object.c in certain modified versions of the GNU C Library (aka glibc or libc6), including glibc-2.5-49.el5_5.6 and glibc-2.12-1.7.el6_0.3 in Red Hat Enterprise Linux, allow local users to gain privileges via a crafted dynamic shared object (DSO) in a subdirectory of the current working directory during execution of a (1) setuid or (2) setgid program that has $ORIGIN in (a) RPATH or (b) RUNPATH within the program itself or a referenced library. NOTE: this issue exists because of an incorrect fix for CVE-2010-3847.

Which versions are affected by CVE-2011-0536?

It affects 2 products.

Products include Gnu Glibc, Redhat Enterprise Linux.

How do I fix CVE-2011-0536?

Apply the vendor's patch.

Is CVE-2011-0536 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-0536 exists.

Public exploit code: 1 Exploit-DB entry.

All Gnu Glibc vulnerabilities

Sources

Also known as GHSA-3hm4-67xr-p92g.