Permissions, Privileges, and Access Controls in jenkins (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-21609 |
| CWE-ID | CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
jenkins (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU49531
Risk: Low
CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-21609
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information on the system.
The vulnerability exists due to a missing permission check for paths with specific prefix. A remote attacker can access plugin-provided URLs.
MitigationInstall update from vendor's website.
Vulnerable software versionsjenkins (Alpine package): 2.73.3-r0 - 2.275-r0
CPE2.3- cpe:2.3:o:alpine:jenkins_alpine_package:2.73.3-r0:*:*:*:*:alpine_linux:*:3.7
- cpe:2.3:o:alpine:jenkins_alpine_package:2.121.3-r0:*:*:*:*:alpine_linux:*:3.8
- cpe:2.3:o:alpine:jenkins_alpine_package:2.150.2-r0:*:*:*:*:alpine_linux:*:3.9
https://git.alpinelinux.org/aports/commit/?id=dc5a6fe29b770608c4b2c0e2681a71db5650e84b
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.
