CVE-2011-4028 Path traversal in n/a
Local attackers can determine the existence of arbitrary files via a symlink attack on a temporary lock file in the X.Org server.
- 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-2011-4028?
CVE-2011-4028 is a low-severity path traversal 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 determine the existence of arbitrary files via a symlink attack on a temporary lock file, which is handled differently if the file exists.
Weakness: CWE-59
Which versions are affected by CVE-2011-4028?
It affects 1 product.
Linux distribution packages (20)
xorg-x11-server Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xdmx Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xephyr Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xnest Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xorg Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xvfb Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xvnc-source Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-debuginfo Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server Red Hat:enterprise_linux:5::client_workstation | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-debuginfo Red Hat:enterprise_linux:5::client_workstation | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-sdk Red Hat:enterprise_linux:5::client_workstation | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xdmx Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xephyr Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xnest Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xorg Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xvfb Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-Xvnc-source Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-debuginfo Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.90.el5 |
xorg-x11-server-sdk Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.90.el5 |
Products include X.org X Server.
How do I fix CVE-2011-4028?
Upgrade to a fixed version.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2011-4028 being exploited?
There is no known exploitation of CVE-2011-4028 in the wild and no public exploit code.
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- CVE-2022-2319 Memory corruption in xorg-x11-server
- CVE-2022-2320 Memory corruption in xorg-x11-server
Sources
Also known as DEBIAN-CVE-2011-4028, GHSA-43jf-fxqp-3qf7, RHSA-2012:0303.