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osvGoogleOSV:BIT-GUACAMOLE-SERVER-2023-43826
HistoryMar 06, 2024 - 10:52 a.m.

BIT-guacamole-server-2023-43826

2024-03-0610:52:51
Google
osv.dev
11
apache guacamole
vnc server
integer overflow
memory corruption
guacd process
software update

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.7%

Apache Guacamole 1.5.3 and older do not consistently ensure that values received from a VNC server will not result in integer overflow. If a user connects to a malicious or compromised VNC server, specially-crafted data could result in memory corruption, possibly allowing arbitrary code to be executed with the privileges of the running guacd process.Users are recommended to upgrade to version 1.5.4, which fixes this issue.

CPENameOperatorVersion
guacamole-serverlt1.5.3

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.8 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.7%

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