CVE-2022-39317 — Out-of-bounds Read in Freerdp

CWE-125 — Out-of-bounds Read6 documents5 sources
Severity
4.6MEDIUMNVD
OSV7.5
EPSS
0.1%
top 84.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
FreerdpDebian Freerdp2Fedoraproject Fedora
Timeline
PublishedNov 16
Latest updateNov 22

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:LExploitability: 2.1 | Impact: 2.5

Affected Packages2 packages

▶NVDfreerdp/freerdp< 2.9.0
▶debiandebian/freerdp2< freerdp2 2.9.0+dfsg1-1 (bookworm)

Also affects: Fedora 36, 37

🔴Vulnerability Details

2
OSV
freerdp2 vulnerabilities↗2022-11-22
▶
OSV
CVE-2022-39317: FreeRDP is a free remote desktop protocol library and clients↗2022-11-16
▶

📋Vendor Advisories

3
Ubuntu
FreeRDP vulnerabilities↗2022-11-22
▶
Red Hat
freerdp: undefined behaviour in zgfx decoder↗2022-11-16
▶
Debian
CVE-2022-39317: freerdp2 - FreeRDP is a free remote desktop protocol library and clients. Affected versions...↗2022
▶
CVE-2022-39317 — Out-of-bounds Read in Freerdp | cvebase