CVE-2011-4029 Race condition in n/a
Local attackers can exploit a race condition in X.Org X Server to change file permissions, read arbitrary files, or cause denial of service.
- 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-2011-4029?
CVE-2011-4029 is a low-severity vulnerability in X.org X Server, published on 3 Jul 2012. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The LockServer function in os/utils.c in X.Org xserver before 1.11.2 allows local users to change the permissions of arbitrary files to 444, read those files, and possibly cause a denial of service (removed execution permission) via a symlink attack on a temporary lock file.
Weakness: CWE-362
Which versions are affected by CVE-2011-4029?
It affects 1 product.
Products include X.org X Server.
How do I fix CVE-2011-4029?
Upgrade to a fixed version.
Is CVE-2011-4029 being exploited?
There is no known exploitation of CVE-2011-4029 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in X.org X Server
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- CVE-2017-10971 Memory corruption in n/a
- CVE-2026-55999 xorg-server / xwayland glamor font atlas Heap Buffer Overflow
- CVE-2022-2319 Memory corruption in xorg-x11-server
- CVE-2022-2320 Memory corruption in xorg-x11-server
Sources
Also known as DEBIAN-CVE-2011-4029, GHSA-mq85-mwhp-wv55.