Bug 2236784 (CVE-2023-39350) - CVE-2023-39350 freerdp: Incorrect offset calculation leading to DOS
Summary: CVE-2023-39350 freerdp: Incorrect offset calculation leading to DOS
Keywords:
Status: NEW
Alias: CVE-2023-39350
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2236790 2236791
Blocks: 2236652
TreeView+ depends on / blocked
 
Reported: 2023-09-01 13:52 UTC by Marian Rehak
Modified: 2024-04-30 09:49 UTC (History)
2 users (show)

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. When an insufficient blockLen value is provided and proper length validation is not performed, an Integer Underflow can occur, leading to a Denial of Service (DOS).
Clone Of:
Environment:
Last Closed:
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2024:2208 0 None None None 2024-04-30 09:49:02 UTC

Description Marian Rehak 2023-09-01 13:52:34 UTC 
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. This issue affects Clients only. Integer underflow leading to DOS (e.g. abort due to `WINPR_ASSERT` with default compilation flags). When an insufficient blockLen is provided, and proper length validation is not performed, an Integer Underflow occurs, leading to a Denial of Service (DOS) vulnerability. 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/security/advisories/GHSA-rrrv-3w42-pffh
https://github.com/FreeRDP/FreeRDP/commit/e204fc8be5a372626b13f66daf2abafe71dbc2dc
Comment 2 errata-xmlrpc 2024-04-30 09:49:01 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
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