CVE-2020-11038

NameCVE-2020-11038
DescriptionIn FreeRDP less than or equal to 2.0.0, an Integer Overflow to Buffer Overflow exists. When using /video redirection, a manipulated server can instruct the client to allocate a buffer with a smaller size than requested due to an integer overflow in size calculation. With later messages, the server can manipulate the client to write data out of bound to the previously allocated buffer. This has been patched in 2.1.0.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
freerdp (PTS)stretch1.1.0~git20140921.1.440916e+dfsg1-13+deb9u3vulnerable
stretch (security)1.1.0~git20140921.1.440916e+dfsg1-13+deb9u4vulnerable
freerdp2 (PTS)buster2.0.0~git20190204.1.2693389a+dfsg1-1+deb10u2vulnerable
bullseye, sid2.2.0+dfsg1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
freerdpsource(unstable)(unfixed)
freerdp2source(unstable)2.1.1+dfsg1-1

Notes

[buster] - freerdp2 <no-dsa> (Minor issue)
[stretch] - freerdp <no-dsa> (Minor issue)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h25x-cqr6-fp6g

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