CVE-2023-40181 — Out-of-bounds Read in Freerdp

CWE-125 — Out-of-bounds ReadCWE-191 — Integer Underflow (Wrap or Wraparound)7 documents6 sources
Severity
9.1CRITICALNVD
CNA5.3OSV7.5
EPSS
0.2%
top 52.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
FreerdpDebian LinuxFedoraproject Fedora
Timeline
PublishedAug 31
Latest updateOct 4

Description

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Integer-Underflow leading to Out-Of-Bound Read in the `zgfx_decompress_segment` function. In the context of `CopyMemory`, it's possible to read data beyond the transmitted packet range and likely cause a crash. 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 issue.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HExploitability: 3.9 | Impact: 5.2

Affected Packages2 packages

▶CVEListV5freerdp/freerdp< 2.11.0+1
▶NVDfreerdp/freerdp< 2.11.0+1

Also affects: Debian Linux 10.0, Fedora 37, 38, 39

🔴Vulnerability Details

3
OSV
freerdp2 vulnerabilities↗2023-10-04
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OSV
CVE-2023-40181: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license↗2023-08-31
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CVEList
Integer-Underflow leading to Out-Of-Bound Read in FreeRDP↗2023-08-31
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📋Vendor Advisories

3
Ubuntu
FreeRDP vulnerabilities↗2023-10-04
▶
Red Hat
freerdp: integer-Underflow leading to Out-Of-Bound Read in zgfx_decompress_segment↗2023-09-01
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Debian
CVE-2023-40181: freerdp2 - FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released ...↗2023
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