Multiple vulnerabilities in Jenkins and Jenkins LTS
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2024-23897 CVE-2024-23898 |
| CWE-ID | CWE-284 CWE-1385 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Jenkins Server applications / Application servers Jenkins LTS Server applications / Application servers |
| Vendor | Jenkins |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Improper access control
EUVDB-ID: #VU85786
Risk: High
CVSSv3.1: 9.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]
CVE-ID: CVE-2024-23897
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to the affected application does not disable a feature of its CLI command parser that replaces an "@" character followed by a file path in an argument with the file’s contents. A remote attacker can read arbitrary files on the Jenkins controller file system, leading to arbitrary code execution.
MitigationInstall updates from vendor's website.
Vulnerable software versionsJenkins: 2.0 - 2.441
Jenkins LTS: 2.7.1 - 2.426.2
External linkshttp://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-3314
http://www.openwall.com/lists/oss-security/2024/01/24/6
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.
2) Missing Origin Validation in WebSockets
EUVDB-ID: #VU85790
Risk: High
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2024-23898
CWE-ID:
CWE-1385 - Missing Origin Validation in WebSockets
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to a cross-site WebSocket hijacking (CSWSH) issue when the affected application does not perform origin validation of requests made through the CLI WebSocket endpoint. A remote attacker can execute CLI commands on the Jenkins controller.
MitigationInstall updates from vendor's website.
Vulnerable software versionsJenkins: 2.204.2 - 2.441
Jenkins LTS: 2.222.1 - 2.426.2
External linkshttp://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-3315
http://www.openwall.com/lists/oss-security/2024/01/24/6
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
