CVE-2018-8795

NameCVE-2018-8795
Descriptionrdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in function process_bitmap_updates() and results in a memory corruption and probably even a remote code execution.
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)
ReferencesDLA-1683-1, DSA-4394-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
rdesktop (PTS)jessie1.8.2-3+deb8u1vulnerable
jessie (security)1.8.6-0+deb8u2fixed
stretch1.8.4-1~deb9u1fixed
stretch (security)1.8.6-2~deb9u1fixed
bullseye, sid, buster1.8.6-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
rdesktopsource(unstable)1.8.4-1high
rdesktopsourcejessie1.8.4-0+deb8u1highDLA-1683-1
rdesktopsourcestretch1.8.4-1~deb9u1highDSA-4394-1

Notes

https://github.com/rdesktop/rdesktop/commit/766ebcf6f23ccfe8323ac10242ae6e127d4505d2 (v1.8.4)

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