Bug 2236650 (CVE-2023-40569)

Summary:	CVE-2023-40569 freerdp: Out-of-bounds write in the `progressive_decompress` function due to incorrect calculations
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	desktop-qa-list, oholy, pajung
Target Milestone:	---	Keywords:	Security
Target Release:	---	Flags:	pajung: needinfo-
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	freerdp 2.11.0, freerdp 3.0.0-beta3	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in FreeRDP. Incorrect calculations in the `progressive_decompress` function may allow for a buffer overflow, resulting in a crash.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2236653, 2236654, 2236655
Bug Blocks:	2236652

Description Marian Rehak 2023-09-01 05:40:41 UTC

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `progressive_decompress` function. This issue is likely down to incorrect calculations of the `nXSrc` and `nYSrc` variables. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. there are no known workarounds for this vulnerability.

https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/progressive.c#L2598-L2616
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hm8c-rcjg-c8qp

Comment 1 Marian Rehak 2023-09-01 05:43:11 UTC

Created freerdp tracking bugs for this issue:

Affects: fedora-all [bug 2236653]

Comment 5 errata-xmlrpc 2024-04-30 09:48:44 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:2208 https://access.redhat.com/errata/RHSA-2024:2208