CVE-2020-25712 Memory corruption in xorg-x11-server
A heap-buffer overflow in the X11 server allows local attackers to escalate privileges and compromise system integrity and availability.
- 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-2020-25712?
CVE-2020-25712 is a high-severity memory corruption vulnerability in Redhat Enterprise Linux, published on 15 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in xorg-x11-server before 1.20.10. A heap-buffer overflow in XkbSetDeviceInfo may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Weakness: CWE-122
Which versions are affected by CVE-2020-25712?
It affects 2 products.
Products include Redhat Enterprise Linux, X.org X Server.
How do I fix CVE-2020-25712?
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-2020-25712 being exploited?
There is no known exploitation of CVE-2020-25712 in the wild and no public exploit code.
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- CVE-2018-25011 Memory corruption in libwebp
- CVE-2018-25014 Other in libwebp
- CVE-2014-3585 Supply chain in redhat-upgrade-tool
Sources
Also known as ALPINE-CVE-2020-25712, AZL-78248, DEBIAN-CVE-2020-25712, GHSA-93gx-49qx-8f59, UBUNTU-CVE-2020-25712.