CVE-2013-4396 Use after free in n/a
Medium 6.5
Published
Updated
Check this codebase for CVE-2013-4396 and fix it if it is affected.
What it is: CVE-2013-4396 is a medium-severity use after free vulnerability in n/a, published on 10 Oct 2013. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2013-4396 in the wild and no public exploit code.
Affected product: n/a. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2013-4396/ (Markdown: https://insights.sbomify.com/CVE-2013-4396/index.md)
Remote authenticated users can trigger a use-after-free in X.Org X11 to cause denial of service or execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-4396?
CVE-2013-4396 is a medium-severity use after free vulnerability in n/a, published on 10 Oct 2013. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-allocation failure.
Weakness: CWE-399
Which versions are affected by CVE-2013-4396?
It affects 1 product.
Linux distribution packages (40)
xorg-x11-server Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xdmx Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xephyr Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xnest Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xorg Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xvfb Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xvnc-source Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-debuginfo Red Hat:enterprise_linux:5::client | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server Red Hat:enterprise_linux:5::client_workstation | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-debuginfo Red Hat:enterprise_linux:5::client_workstation | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-sdk Red Hat:enterprise_linux:5::client_workstation | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xdmx Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xephyr Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xnest Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xorg Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xvfb Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-Xvnc-source Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-debuginfo Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server-sdk Red Hat:enterprise_linux:5::server | All versions | 0:1.1.1-48.101.el5_10.1 |
xorg-x11-server Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-Xdmx Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-Xephyr Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-Xnest Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-Xorg Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-Xvfb Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-common Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-devel Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-source Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-Xdmx Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-Xephyr Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-Xnest Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-Xorg Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-Xvfb Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-common Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-devel Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-11.1.el6_4.2 |
xorg-x11-server-source Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-11.1.el6_4.2 |
Products include X X.org X11.
How do I fix CVE-2013-4396?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2013-4396 being exploited?
There is no known exploitation of CVE-2013-4396 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2013-4396, DSA-2784-1, GHSA-qw42-qhpr-5gg9, MGASA-2013-0317, RHSA-2013:1426.