CVE-2015-1802 Memory corruption in n/a

High 8.5 Published 20 Mar 2015 Updated 6 Aug 2024

Remote authenticated users can trigger out-of-bounds writes in libXfont via malicious BDF files, leading to crashes or arbitrary code execution.

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-2015-1802?

CVE-2015-1802 is a high-severity memory corruption vulnerability in n/a, published on 20 Mar 2015. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The bdfReadProperties function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 allows remote authenticated users to cause a denial of service (out-of-bounds write and crash) or possibly execute arbitrary code via a (1) negative or (2) large property count in a BDF font file.

Weakness: CWE-119

Which versions are affected by CVE-2015-1802?

It affects 1 product.

Products include X Libxfont.

How do I fix CVE-2015-1802?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2015-1802 being exploited?

There is no known exploitation of CVE-2015-1802 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2015-1802, GHSA-f3m3-9rj4-h5hq, UBUNTU-CVE-2015-1802.