critical
9.1
CWE
125
Advisory Published
CVE Published
Updated

CVE-2023-39353: Missing offset validation leading to Out Of Bound Read 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 a missing offset validation leading to Out Of Bound Read. In the `libfreerdp/codec/rfx.c` file there is no offset validation in `tile->quantIdxY`, `tile->quantIdxCb`, and `tile->quantIdxCr`. As a result crafted input can lead to an out of bounds read access which in turn will 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 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<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-2023-39353?

    CVE-2023-39353 is a vulnerability in FreeRDP that allows an Out Of Bound Read due to missing offset validation.

  • What is the severity of CVE-2023-39353?

    CVE-2023-39353 has a severity rating of 9.1 (critical).

  • How does CVE-2023-39353 affect FreeRDP?

    CVE-2023-39353 affects versions up to and excluding 2.11.0 of FreeRDP, as well as version 3.0.0-beta1 and 3.0.0-beta2.

  • How can I fix CVE-2023-39353 in FreeRDP?

    To fix CVE-2023-39353 in FreeRDP, update to version 2.11.2+dfsg1-1 or later.

  • Where can I find more information about CVE-2023-39353?

    More information about CVE-2023-39353 can be found in the references provided: [GitHub Advisory](https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hg53-9j9h-3c8f), [Fedora Mailing List](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/).

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