CVE-2023-6004
Libssh: proxycommand/proxyjump features allow injection of malicious code through hostname
Severity Score
4.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Se encontró una falla en libssh. Al utilizar la función ProxyCommand o ProxyJump, los usuarios pueden explotar la sintaxis del hostname no verificada en el cliente. Este problema puede permitir que un atacante inyecte código malicioso en el comando de las funciones mencionadas a través del parámetro de hostname.
*Credits:
Red Hat would like to thank Norbert Pocs (libssh) and vinci@protonmail.ch for reporting this issue.
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-11-07 CVE Reserved
- 2023-12-28 CVE Published
- 2024-01-17 EPSS Updated
- 2024-09-16 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://security.netapp.com/advisory/ntap-20240223-0004 |
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| https://www.libssh.org/security/advisories/CVE-2023-6004.txt | Mailing List |
| URL | Date | SRC |
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| URL | Date | SRC |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Libssh Search vendor "Libssh" | Libssh Search vendor "Libssh" for product "Libssh" | >= 0.8.0 < 0.9.8 Search vendor "Libssh" for product "Libssh" and version " >= 0.8.0 < 0.9.8" | - |
Affected
| ||||||
| Libssh Search vendor "Libssh" | Libssh Search vendor "Libssh" for product "Libssh" | >= 0.10.0 < 0.10.6 Search vendor "Libssh" for product "Libssh" and version " >= 0.10.0 < 0.10.6" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 38 Search vendor "Fedoraproject" for product "Fedora" and version "38" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 9.0 Search vendor "Redhat" for product "Enterprise Linux" and version "9.0" | - |
Affected
| ||||||