9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
0.001 Low
EPSS
Percentile
38.3%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | freerdp2 | < 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1 | UNKNOWN |
ubuntu | 20.04 | noarch | freerdp2 | < 2.2.0+dfsg1-0ubuntu0.20.04.5 | UNKNOWN |
ubuntu | 22.04 | noarch | freerdp2 | < 2.6.1+dfsg1-3ubuntu2.4 | UNKNOWN |
ubuntu | 23.04 | noarch | freerdp2 | < 2.10.0+dfsg1-1ubuntu0.2 | UNKNOWN |
ubuntu | 23.10 | noarch | freerdp2 | < 2.10.0+dfsg1-1.1ubuntu1 | UNKNOWN |
github.com/FreeRDP/FreeRDP/blob/2252d53001d9ce8a452f0a0a5b1f5ed9db6d57f1/libfreerdp/codec/zgfx.c#L256-L261
github.com/FreeRDP/FreeRDP/blob/2252d53001d9ce8a452f0a0a5b1f5ed9db6d57f1/libfreerdp/codec/zgfx.c#L334-L355
github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mxp4-rx7x-h2g8
launchpad.net/bugs/cve/CVE-2023-40181
nvd.nist.gov/vuln/detail/CVE-2023-40181
security-tracker.debian.org/tracker/CVE-2023-40181
ubuntu.com/security/notices/USN-6401-1
www.cve.org/CVERecord?id=CVE-2023-40181