CVE-2020-13114 Denial of service in n/a
An attacker can cause excessive CPU consumption by providing specially crafted Canon EXIF data, leading to denial of service in applications using libexif.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-13114?
CVE-2020-13114 is a high-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 21 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in libexif before 0.6.22. An unrestricted size in handling Canon EXIF MakerNote data could lead to consumption of large amounts of compute time for decoding EXIF data.
Weakness: CWE-770
Which versions are affected by CVE-2020-13114?
It affects 3 products.
Products include Canonical Ubuntu Linux, Libexif Project Libexif, Opensuse Leap.
How do I fix CVE-2020-13114?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-13114 being exploited?
There is no known exploitation of CVE-2020-13114 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2020-13114, DEBIAN-CVE-2020-13114, GHSA-mpfc-53hr-w2mg, UBUNTU-CVE-2020-13114.