Directory Traversal Affecting freerdp2 package, versions <2.9.0+dfsg1-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.12% (46th percentile)

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  • Snyk IDSNYK-DEBIAN12-FREERDP2-3124499
  • published17 Nov 2022
  • disclosed16 Nov 2022

Introduced: 16 Nov 2022

CVE-2022-39347  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade Debian:12 freerdp2 to version 2.9.0+dfsg1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream freerdp2 package and not the freerdp2 package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing path canonicalization and base path check for drive channel. A malicious server can trick a FreeRDP based client to read files outside the shared directory. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the /drive, /drives or +home-drive redirection switch.

CVSS Scores

version 3.1