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redhatcveRedhat.comRH:CVE-2022-39347
HistoryNov 17, 2022 - 1:56 p.m.

CVE-2022-39347

2022-11-1713:56:50
redhat.com
access.redhat.com
16
freerdp
directory traversal
remote access

CVSS3

5.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

EPSS

0.001

Percentile

45.3%

A directory traversal issue was discovered in FreeRDP. The vulnerability exists due to missing path canonicalization and base path check for the drive channel. A malicious server can trick a FreeRDP based client to read files outside of the shared directory. This issue allows an attacker to gain access to sensitive information.

Mitigation

Users who are unable to upgrade should not use the /drive, /drives or +home-drive redirection switches.

CVSS3

5.7

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

EPSS

0.001

Percentile

45.3%