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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.022 (82.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.022 · change: -0.001
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
- lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce… (mailing-list)
- github.com/vert-x3/vertx-web/issues/1025 (Exploit, Vendor Advisory)
- bugs.eclipse.org/bugs/show_bug.cgi (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.