CVE-2023-39352 Invalid offset validation leading to Out Of Bound Write in FreeRDP
An out-of-bounds write in FreeRDP allows attackers to cause a crash or potentially execute code via crafted RDP packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-39352?
CVE-2023-39352 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 an invalid offset validation leading to Out Of Bound Write. This can be triggered when the values `rect->left` and `rect->top` are exactly equal to `surface->width` and `surface->height`. eg. `rect->left` == `surface->width` && `rect->top` == `surface->height`. In practice this should 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-787
Which versions are affected by CVE-2023-39352?
It affects 3 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Freerdp Freerdp.
How do I fix CVE-2023-39352?
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-2023-39352 being exploited?
There is no known exploitation of CVE-2023-39352 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2023-39352, GHSA-whwr-qcf2-2mvj, UBUNTU-CVE-2023-39352.