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CVE-2020-11096

Published: 22 June 2020

In FreeRDP before version 2.1.2, there is a global OOB read in update_read_cache_bitmap_v3_order. As a workaround, one can disable bitmap cache with -bitmap-cache (default). This is fixed in version 2.1.2.

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.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
freerdp
Launchpad, Ubuntu, Debian
groovy Does not exist

xenial Needed

jammy Does not exist

bionic Needed

eoan Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

kinetic Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

mantic Does not exist

freerdp2
Launchpad, Ubuntu, Debian
bionic
Released (2.2.0+dfsg1-0ubuntu0.18.04.1)
focal
Released (2.2.0+dfsg1-0ubuntu0.20.04.1)
groovy Not vulnerable
(2.2.0+dfsg1-1)
jammy Not vulnerable
(2.2.0+dfsg1-1)
eoan Ignored
(end of life)
hirsute Not vulnerable
(2.2.0+dfsg1-1)
impish Not vulnerable
(2.2.0+dfsg1-1)
kinetic Not vulnerable
(2.2.0+dfsg1-1)
lunar Not vulnerable
(2.2.0+dfsg1-1)
trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Not vulnerable
(2.2.0+dfsg1-1)
Patches:
upstream: https://github.com/FreeRDP/FreeRDP/commit/b8beb55913471952f92770c90c372139d78c16c0

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L