CVE-2020-11086

Published: 29 May 2020

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_ntlm_v2_client_challenge that reads up to 28 bytes out-of-bound to an internal structure. This has been fixed in 2.1.0.

Priority

Low

CVSS 3 base score: 5.4

Status

Package Release Status
freerdp
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.10 (Groovy Gorilla) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Needed

Ubuntu 16.04 ESM (Xenial Xerus) Needed

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

freerdp2
Launchpad, Ubuntu, Debian
Upstream
Released (2.1.1+dfsg1-1)
Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(2.1.1+dfsg1-1)
Ubuntu 20.10 (Groovy Gorilla) Not vulnerable
(2.1.1+dfsg1-1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2.1.1+dfsg1-0ubuntu0.20.04.1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (2.1.1+dfsg1-0ubuntu0.18.04.1)
Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist

Patches:
Upstream: https://github.com/FreeRDP/FreeRDP/commit/c098f21fdaadca57ff649eee1674f6cc321a2ec4

Notes

AuthorNote
mdeslaur
The freerdp package in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS
does not build a server library. This is simply a client
denial of service that has a negligible security impact.

References