critical
9.8
CWE
787
Advisory Published
CVE Published
Updated

CVE-2023-40569: Out-Of-Bounds Write in FreeRDP

First published: Thu Aug 31 2023(Updated: )

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an Out-Of-Bounds Write in the `progressive_decompress` function. This issue is likely down to incorrect calculations of the `nXSrc` and `nYSrc` variables. 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 vulnerability.

Credit: security-advisories@github.com security-advisories@github.com security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
FreeRDP FreeRDP<2.11.0
FreeRDP FreeRDP=3.0.0-beta1
FreeRDP FreeRDP=3.0.0-beta2
Debian Debian Linux=10.0
Fedoraproject Fedora=37
Fedoraproject Fedora=38
Fedoraproject Fedora=39
debian/freerdp2<=2.0.0~git20190204.1.2693389a+dfsg1-1+deb10u2<=2.3.0+dfsg1-2+deb11u1<=2.10.0+dfsg1-1
2.3.0+dfsg1-2+deb10u4
2.11.2+dfsg1-1
2.11.5+dfsg1-1
ubuntu/freerdp2<2.2.0+dfsg1-0ubuntu0.18.04.4+
2.2.0+dfsg1-0ubuntu0.18.04.4+
ubuntu/freerdp2<2.2.0+dfsg1-0ubuntu0.20.04.5
2.2.0+dfsg1-0ubuntu0.20.04.5
ubuntu/freerdp2<2.6.1+dfsg1-3ubuntu2.4
2.6.1+dfsg1-3ubuntu2.4
ubuntu/freerdp2<2.10.0+dfsg1-1ubuntu0.2
2.10.0+dfsg1-1ubuntu0.2
ubuntu/freerdp2<2.10.0+dfsg1-1.1ubuntu1
2.10.0+dfsg1-1.1ubuntu1
ubuntu/freerdp2<2.11.0
2.11.0
redhat/freerdp<2.11.0
2.11.0
redhat/freerdp<3.0.0
3.0.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-40569?

    CVE-2023-40569 is an Out-Of-Bounds Write vulnerability in FreeRDP.

  • How does CVE-2023-40569 impact FreeRDP?

    CVE-2023-40569 allows an attacker to write beyond the boundaries of a buffer in the progressive_decompress function, potentially leading to remote code execution.

  • What is the severity of CVE-2023-40569?

    CVE-2023-40569 has a severity rating of 9.8 (Critical).

  • Which versions of FreeRDP are affected by CVE-2023-40569?

    Versions up to and including 2.11.0, 3.0.0-beta1, and 3.0.0-beta2 of FreeRDP are affected by CVE-2023-40569.

  • How can I fix CVE-2023-40569 in FreeRDP?

    To fix CVE-2023-40569, it is recommended to update FreeRDP to a version that includes the relevant security patches.

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