Multiple vulnerabilities in Jenkins Scriptler plugin



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-50764
CVE-2023-50765
CWE-ID CWE-284
CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Scriptler
Web applications / Modules and components for CMS

Vendor Jenkins

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control

EUVDB-ID: #VU84444

Risk: Medium

CVSSv4.0: 5.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-50764

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected plugin does not restrict a file name query parameter in an HTTP endpoint. A remote user can delete arbitrary files on the Jenkins controller file system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Scriptler: 342.v6a_89fd40f466

CPE2.3 External links

https://www.jenkins.io/security/advisory/2023-12-13/#SECURITY-3205
https://www.openwall.com/lists/oss-security/2023/12/13/4


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU84445

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-50765

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the affected plugin does not perform a permission check in an HTTP endpoint. A remote user can read the contents of a Groovy script by knowing its ID.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Scriptler: 342.v6a_89fd40f466

CPE2.3 External links

https://www.jenkins.io/security/advisory/2023-12-13/#SECURITY-3206
https://www.openwall.com/lists/oss-security/2023/12/13/4


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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