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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-6004
HistoryJan 03, 2024 - 5:15 p.m.

CVE-2023-6004

2024-01-0317:15:11
Debian Security Bug Tracker
security-tracker.debian.org
38
libssh
code injection
proxycommand
proxyjump
hostname syntax
unix

4.8 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

5.1 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%

A flaw was found in libssh. By utilizing the ProxyCommand or ProxyJump feature, users can exploit unchecked hostname syntax on the client. This issue may allow an attacker to inject malicious code into the command of the features mentioned through the hostname parameter.

4.8 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

5.1 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%