#VU47510 Incorrect Regular Expression in Audit Trail - CVE-2020-2288

Vulnerability identifier: #VU47510

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-2288

CWE-ID: CWE-185

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Audit Trail
Web applications / Modules and components for CMS

Vendor: Jenkins

Description

The vulnerability allows a remote attacker to compromise the system.

The vulnerability exists due to the default regular expression pattern can be bypassed in many cases by adding a suffix to the URL that would be ignored during request handling.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Audit Trail: 1.0 - 8

---

External links
https://www.openwall.com/lists/oss-security/2020/10/08/5
https://www.jenkins.io/security/advisory/2020-10-08/#SECURITY-1846

---

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.