CVE-2023-40186 — Integer Overflow or Wraparound in Freerdp

CWE-190 — Integer Overflow or WraparoundCWE-787 — Out-of-bounds Write6 documents5 sources
Severity
9.8CRITICALNVD
OSV7.5
EPSS
0.1%
top 71.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
FreerdpDebian Freerdp2Debian Linux+1 more
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 IntegerOverflow leading to Out-Of-Bound Write Vulnerability in the `gdi_CreateSurface` function. This issue affects FreeRDP based clients only. FreeRDP proxies are not affected as image decoding is not done by a proxy. 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 iss…

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 Packages3 packages

▶NVDfreerdp/freerdp< 2.11.0+1
▶debiandebian/freerdp2< freerdp2 2.11.7+dfsg1-6~deb12u1 (bookworm)
▶CVEListV5freerdp/freerdp>= 3.0.0-beta1, < 3.0.0-beta3

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

🔴Vulnerability Details

2
OSV
freerdp2 vulnerabilities↗2023-10-04
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OSV
CVE-2023-40186: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license↗2023-08-31
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📋Vendor Advisories

3
Ubuntu
FreeRDP vulnerabilities↗2023-10-04
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Red Hat
freerdp: Integer overflow leading to out-of-bound write vulnerability in gdi_CreateSurface↗2023-09-01
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Debian
CVE-2023-40186: freerdp2 - FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released ...↗2023
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