Path Traversal in Jenkins
CVE-2018-6356
Jenkins before 2.107 and Jenkins LTS before 2.89.4 did not properly prevent specifying relative paths that escape a base directory for URLs accessing plugin resource files. This allowed users with Overall/Read permission to download files from the Jenkins master they should not have access to. On Windows, any file accessible to the Jenkins master process could be downloaded. On other operating systems, any file within the Jenkins home directory accessible to the Jenkins master process could be downloaded.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.039 (89.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · change: 0.000
Affected products
- Jenkins
- Oracle Communications Cloud Native Core Automated Test Suite — versions 1.9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2018/02/14/1 (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/103037 (VDB Entry, vdb-entry, Broken Link)
- www.oracle.com/security-alerts/cpuapr2022.html (Patch, Third Party Advisory)
- jenkins.io/security/advisory/2018-02-14/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-6356?
- CVE-2018-6356 is a medium-severity vulnerability in Jenkins, classified under Path Traversal. CVSS score: 6.5/10. Published 2018-02-20.
- How severe is CVE-2018-6356?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-6356 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.