CVE-2023-39353 Missing offset validation leading to Out Of Bound Read in FreeRDP
Crafted input causes an out-of-bounds read in FreeRDP, leading to a crash and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-39353?
CVE-2023-39353 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 31 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to a missing offset validation leading to Out Of Bound Read. In the `libfreerdp/codec/rfx.c` file there is no offset validation in `tile->quantIdxY`, `tile->quantIdxCb`, and `tile->quantIdxCr`. As a result crafted input can lead to an out of bounds read access which in turn will cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-125
Which versions are affected by CVE-2023-39353?
It affects 3 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Freerdp Freerdp.
How do I fix CVE-2023-39353?
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-2023-39353 being exploited?
There is no known exploitation of CVE-2023-39353 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2023-39353, GHSA-hg53-9j9h-3c8f, UBUNTU-CVE-2023-39353.