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CVE-2022-39318

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Date: November 16, 2022

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing input validation in `urbdrc` channel. A malicious server can trick a FreeRDP based client to crash with division by zero. This issue has been addressed in version 2.9.0. All users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.

Language: C

Severity Score

Related Resources (12)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-387j-8j96-7q35
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UDOTAOJBCZKREZJPT6VZ25GESI5T6RBG/
https://nvd.nist.gov/vuln/detail/CVE-2022-39318
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YGQN3OWQNHSMWKOF4D35PF5ASKNLC74B/
https://lists.debian.org/debian-lts-announce/2023/11/msg00010.html
https://access.redhat.com/security/cve/CVE-2022-39318
https://security.gentoo.org/glsa/202401-16
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UDOTAOJBCZKREZJPT6VZ25GESI5T6RBG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGQN3OWQNHSMWKOF4D35PF5ASKNLC74B/
https://github.com/FreeRDP/FreeRDP/commit/80adde17ddc4b596ed1dae0922a0c54ab3d4b8ea
https://security-tracker.debian.org/tracker/CVE-2022-39318
https://www.mend.io/vulnerability-database/CVE-2022-39318

Severity Score

Weakness Type (CWE)

Divide By Zero

CWE-369

Input Validation

CWE-20

Top Fix

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Upgrade Version

Upgrade to version 2.9.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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