9.1

CVE-2023-40181

Exploit

Integer-Underflow leading to Out-Of-Bound Read in FreeRDP

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Freerdp ≫ Freerdp Version < 2.11.0
Freerdp ≫ Freerdp Version 3.0.0 Update beta1
Freerdp ≫ Freerdp Version 3.0.0 Update beta2
Debian ≫ Debian Linux Version 10.0
Fedoraproject ≫ Fedora Version 37
Fedoraproject ≫ Fedora Version 38
Fedoraproject ≫ Fedora Version 39
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.43% 0.696
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
security-advisories@github.com 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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.

https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
Third Party Advisory
Mailing List
https://security.gentoo.org/glsa/202401-16
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/
Mailing List
https://github.com/FreeRDP/FreeRDP/blob/2252d53001d9ce8a452f0a0a5b1f5ed9db6d57f1/libfreerdp/codec/zgfx.c#L256-L261
Issue Tracking
https://github.com/FreeRDP/FreeRDP/blob/2252d53001d9ce8a452f0a0a5b1f5ed9db6d57f1/libfreerdp/codec/zgfx.c#L334-L355
Issue Tracking
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mxp4-rx7x-h2g8
Vendor Advisory
Exploit
https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html