Arbitrary Code Injection Affecting libssh package, versions <0.9.3-2ubuntu2.5


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-UBUNTU2004-LIBSSH-6134234
  • published2 Jan 2024
  • disclosed3 Jan 2024

Introduced: 2 Jan 2024

CVE-2023-6004  (opens in a new tab)
CWE-74  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 libssh to version 0.9.3-2ubuntu2.5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libssh package and not the libssh package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1