PT-2020-15302 · Jenkins · Jenkins Gitlab Hook Plugin+1

J3Ssiejjj · Published 2020-01-15 · Updated 2024-02-25 · CVE-2020-2096

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Jenkins Gitlab Hook Plugin versions 1.4.2 and earlier

Description The issue is related to a reflected XSS vulnerability. It occurs because project names in the "build now" endpoint are not properly escaped, allowing for potential exploitation.

Recommendations For Jenkins Gitlab Hook Plugin versions 1.4.2 and earlier, as a temporary workaround, consider disabling the build now endpoint until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-2096

GHSA-8696-836P-C8QP

Affected Products

Jenkins

Jenkins Gitlab Hook Plugin

References · 10

• 🔥 https://exploit-db.com/exploits/47927 · Exploit
• 🔥 http://packetstormsecurity.com/files/155967/Jenkins-Gitlab-Hook-1.4.2-Cross-Site-Scripting.html · Exploit
• 🔥 https://twitter.com/j3ssiejjj/status/1217638755906883584 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-2096 · Security Note
• https://jenkins.io/security/advisory/2020-01-15/#SECURITY-1683 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-2096 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-8696-836p-c8qp · Vendor Advisory
• https://github.com/jenkinsci/gitlab-hook-plugin · Note
• https://twitter.com/h4x0r_fr34k/status/1761743117688979712 · Twitter Post
• http://openwall.com/lists/oss-security/2020/01/15/1 · Note