Vulnerability identifier: #VU57980
Vulnerability risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-862
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Jenkins
Server applications /
Application servers
Jenkins LTS
Server applications /
Application servers
Vendor: Jenkins
Description
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to the affected application does not check agent-to-controller access to create symbolic links when unarchiving a symbolic link in FilePath#untar. A remote attacker can compromise the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Jenkins: 2.0 - 2.318
Jenkins LTS: 1.409.1 - 2.303.2
External links
http://jenkins.io/security/advisory/2021-11-04/
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.