CVE-2017-13722 Information disclosure in n/a
Local attackers can trigger a buffer over-read in libXfont to disclose information or crash the X 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-2017-13722?
CVE-2017-13722 is a high-severity vulnerability in n/a, published on 11 Oct 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the pcfGetProperties function in bitmap/pcfread.c in libXfont through 1.5.2 and 2.x before 2.0.2, a missing boundary check (for PCF files) could be used by local attackers authenticated to an Xserver for a buffer over-read, for information disclosure or a crash of the X server.
Weakness: CWE-125
Which versions are affected by CVE-2017-13722?
It affects 1 product.
Products include X.org Libxfont.
How do I fix CVE-2017-13722?
Upgrade to a fixed version.
Is CVE-2017-13722 being exploited?
There is no known exploitation of CVE-2017-13722 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-13722, GHSA-jv27-9g7q-7pqh, UBUNTU-CVE-2017-13722.