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CVE-2023-6004

Date: January 3, 2024

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.

Language: C

Severity Score

Related Resources (11)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LZQVUHWVWRH73YBXUQJOD6CKHDQBU3DM/
https://security-tracker.debian.org/tracker/CVE-2023-6004
https://www.libssh.org/security/advisories/CVE-2023-6004.txt
https://access.redhat.com/security/cve/CVE-2023-6004
https://bugzilla.redhat.com/show_bug.cgi?id=2251110
https://access.redhat.com/errata/RHSA-2024:3233
https://gitlab.com/libssh/libssh-mirror/-/commit/c2c56bacab00766d01671413321d564227aabf19
https://nvd.nist.gov/vuln/detail/CVE-2023-6004
https://security.netapp.com/advisory/ntap-20240223-0004/
https://access.redhat.com/errata/RHSA-2024:2504
https://www.mend.io/vulnerability-database/CVE-2023-6004

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-74

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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