Bug 2143643 (CVE-2022-39317) - CVE-2022-39317 freerdp: undefined behaviour in zgfx decoder
Summary: CVE-2022-39317 freerdp: undefined behaviour in zgfx decoder
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2022-39317
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2143654 2143655 2143656 2143657 2145139 2145140
Blocks: 2143404
TreeView+ depends on / blocked
 
Reported: 2022-11-17 13:37 UTC by TEJ RATHI
Modified: 2023-05-16 21:13 UTC (History)
1 user (show)

Fixed In Version: freerdp 2.9.0
Doc Type: If docs needed, set a value
Doc Text:
An out-of-bounds read vulnerability was discovered in FreeRDP due to missing a range check for input offset index in the ZGFX decoder. A malicious server can trick a FreeRDP based client to read out-of-bound data and try to decode it, resulting in a crash.
Clone Of:
Environment:
Last Closed: 2023-05-16 21:13:25 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:2326 0 None None None 2023-05-09 07:29:34 UTC
Red Hat Product Errata RHSA-2023:2851 0 None None None 2023-05-16 08:20:22 UTC

Description TEJ RATHI 2022-11-17 13:37:13 UTC 
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no known workarounds for this issue.

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-99cm-4gw7-c8jh
Comment 1 TEJ RATHI 2022-11-17 13:50:00 UTC 
Created freerdp tracking bugs for this issue:

Affects: fedora-35 [bug 2143655]
Affects: fedora-36 [bug 2143656]
Affects: fedora-37 [bug 2143657]


Created freerdp1.2 tracking bugs for this issue:

Affects: epel-7 [bug 2143654]
Comment 2 TEJ RATHI 2022-11-23 09:44:22 UTC 
Upstream Commit:
https://github.com/FreeRDP/FreeRDP/commit/e865c24efc40ebc52e75979c94cdd4ee2c1495b0
Comment 4 errata-xmlrpc 2023-05-09 07:29:32 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2326 https://access.redhat.com/errata/RHSA-2023:2326
Comment 5 errata-xmlrpc 2023-05-16 08:20:21 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2851 https://access.redhat.com/errata/RHSA-2023:2851
Comment 6 Product Security DevOps Team 2023-05-16 21:13:23 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-39317
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