Path Traversal in Eclipse Vert.x
CVE-2018-12542
In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the StaticHandler uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '\' (forward slashes) sequences that can resolve to a location that is outside of that directory when running on Windows Operating Systems.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.023 (81.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Eclipse Vert.x
- Microsoft Windows
- The Eclipse Foundation Vert.x — versions unspecified, 3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- emo@eclipse.org (mailing-list, x_refsource_MLIST)
- emo@eclipse.org (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- emo@eclipse.org (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-12542?
- CVE-2018-12542 is a critical-severity vulnerability in Eclipse Vert.x, classified under Path Traversal. CVSS score: 9.8/10. Published 2018-10-10.
- How severe is CVE-2018-12542?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-12542 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.