Vulnerability identifier: #VU46880
Vulnerability risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-22
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Blue Ocean
Web applications /
Modules and components for CMS
Vendor: Jenkins
Description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to the affected plugin provides an undocumented feature flag, "blueocean.features.GIT_READ_SAVE_TYPE", that when set to the value "clone". A remote authenticated attacker with Item/Configure or Item/Create permission can send a specially crafted HTTP request and read arbitrary files on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Blue Ocean: 1.0.0 - 1.23.2
External links
http://www.openwall.com/lists/oss-security/2020/09/16/3
http://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1956
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.