Multiple vulnerabilities in Jenkins S3 publisher plugin

Published: 2021-05-12

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-21650 CVE-2021-21651
CWE-ID	CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	S3 publisher Web applications / Modules and components for CMS
Vendor	Jenkins

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU53177

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21650

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 Run/Artifacts permission checks in various HTTP endpoints and API models. A remote authenticated attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

S3 publisher: 0.2.0 - 0.11.6

External links

http://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2200

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: #VU53178