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CVE-2023-40181

nvd nist
Published: Aug 31, 2023Modified: Jun 17, 2026

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9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Exploitability: 3.9 / Impact: 5.2
Source: NVD

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.

Affected (7)

Freerdp
1 product
Freerdp
Debian
1 product
Debian Linux
Fedoraproject
1 product
Fedora
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Freerdp
Freerdp
Before 2.11.0
Freerdp
Version 3.0.0 beta1
Freerdp
Version 3.0.0 beta2
Configuration B
4 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 10.0
Fedoraproject
Fedora
Version 37
Fedora
Version 38
Fedora
Version 39

Related CWEs

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
CWE-191
Integer Underflow (Wrap or Wraparound)
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

References (17)

Source: security-advisories@github.com
Issue Tracking
Source: security-advisories@github.com
Issue Tracking
Source: security-advisories@github.com
ExploitVendor Advisory
Source: security-advisories@github.com
Mailing ListThird Party Advisory
Source: security-advisories@github.com
Mailing List
Source: security-advisories@github.com
Mailing List
Source: security-advisories@github.com
Mailing List
Source: security-advisories@github.com
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.