CVE-2023-39355 — Use After Free in Freerdp

CWE-416 — Use After Free5 documents5 sources
Severity
9.8CRITICALNVD
CNA7.0
EPSS
0.2%
top 53.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
FreerdpDebian Linux
Timeline
PublishedAug 31

Description

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Versions of FreeRDP on the 3.x release branch before beta3 are subject to a Use-After-Free in processing `RDPGFX_CMDID_RESETGRAPHICS` packets. If `context->maxPlaneSize` is 0, `context->planesBuffer` will be freed. However, without updating `context->planesBuffer`, this leads to a Use-After-Free exploit vector. In most environments this should only result in a crash. This issue has been addr…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5freerdp/freerdp>= 3.0.0-beta1, < 3.0.0-beta3
▶NVDfreerdp/freerdp3.0.0

Also affects: Debian Linux 10.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
CVE-2023-39355: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license↗2023-08-31
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CVEList
FreeRDP Use-After-Free in RDPGFX_CMDID_RESETGRAPHICS↗2023-08-31
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📋Vendor Advisories

2
Red Hat
freerdp: use-after-free in RDPGFX_CMDID_RESETGRAPHICS↗2023-08-31
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Debian
CVE-2023-39355: freerdp2 - FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released ...↗2023
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