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ubuntucveUbuntu.comUB:CVE-2023-39351
HistoryAug 31, 2023 - 12:00 a.m.

CVE-2023-39351

2023-08-3100:00:00
ubuntu.com
ubuntu.com
12
freerdp
remote desktop protocol
null pointer dereference
crash
remotefx
apache license
vulnerability
upgrade
unix

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

31.0%

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP),
released under the Apache license. Affected versions of FreeRDP are subject
to a Null Pointer Dereference leading a crash in the RemoteFX (rfx)
handling. Inside the rfx_process_message_tileset function, the program
allocates tiles using rfx_allocate_tiles for the number of numTiles. If
the initialization process of tiles is not completed for various reasons,
tiles will have a NULL pointer. Which may be accessed in further processing
and would cause a program 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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfreerdp2< 2.2.0+dfsg1-0ubuntu0.18.04.4+esm1UNKNOWN
ubuntu20.04noarchfreerdp2< 2.2.0+dfsg1-0ubuntu0.20.04.5UNKNOWN
ubuntu22.04noarchfreerdp2< 2.6.1+dfsg1-3ubuntu2.4UNKNOWN
ubuntu23.04noarchfreerdp2< 2.10.0+dfsg1-1ubuntu0.2UNKNOWN
ubuntu23.10noarchfreerdp2< 2.10.0+dfsg1-1.1ubuntu1UNKNOWN

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

31.0%