Bug 2143642 (CVE-2022-39316) - CVE-2022-39316 freerdp: out of bounds read in zgfx decoder
Summary: CVE-2022-39316 freerdp: out of bounds read in zgfx decoder
Keywords:
Status: NEW
Alias: CVE-2022-39316
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
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Whiteboard:
Depends On: 2143650 2145139 2145140 2143651 2143652 2143653
Blocks: 2143404
TreeView+ depends on / blocked
 
Reported: 2022-11-17 13:37 UTC by TEJ RATHI
Modified: 2022-11-30 03:14 UTC (History)
1 user (show)

Fixed In Version: freerdp 2.9.0
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Doc Text:
An out-of-bounds read vulnerability was found in the ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to read out-of-bound data and try to decode it. This will result in a crash, causing a denial of service.
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Description TEJ RATHI 2022-11-17 13:37:10 UTC 
FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it likely resulting in a crash. This issue has been addressed in the 2.9.0 release. Users are advised to upgrade. 

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5w4j-mrrh-jjrm
Comment 1 TEJ RATHI 2022-11-17 13:49:32 UTC 
Created freerdp tracking bugs for this issue:

Affects: fedora-35 [bug 2143651]
Affects: fedora-36 [bug 2143652]
Affects: fedora-37 [bug 2143653]


Created freerdp1.2 tracking bugs for this issue:

Affects: epel-7 [bug 2143650]
Comment 2 TEJ RATHI 2022-11-23 09:46:33 UTC 
Upstream Commit:
https://github.com/FreeRDP/FreeRDP/commit/e865c24efc40ebc52e75979c94cdd4ee2c1495b0
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