CVE-2022-39317

NameCVE-2022-39317
DescriptionFreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no known workarounds for this issue.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs1024511

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
freerdp2 (PTS)buster2.0.0~git20190204.1.2693389a+dfsg1-1+deb10u2vulnerable
bullseye2.3.0+dfsg1-2+deb11u1vulnerable
bookworm2.8.1+dfsg1-1vulnerable
sid2.9.0+dfsg1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
freerdp2source(unstable)2.9.0+dfsg1-11024511

Notes

[bullseye] - freerdp2 <no-dsa> (Minor issue)
[buster] - freerdp2 <no-dsa> (Minor issue)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-99cm-4gw7-c8jh

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