Improper input validation in Eclipse Vert.x
CVE-2018-12537
In Eclipse Vert.x version 3.0 to 3.5.1, the HttpServer response headers and HttpClient request headers do not filter carriage return and line feed characters from the header value. This allow unfiltered values to inject a new header in the client request or server response.
Vulnerability class: CRLF Injection
EPSS: 0.025 (82.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Eclipse Vert.x
- The Eclipse Foundation Vert.x — versions unspecified, 3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- emo@eclipse.org (x_refsource_CONFIRM, Third Party Advisory)
- emo@eclipse.org (Third Party Advisory, x_refsource_MISC)
- emo@eclipse.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- emo@eclipse.org (x_refsource_CONFIRM, Third Party Advisory)
- emo@eclipse.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- emo@eclipse.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- emo@eclipse.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2018-12537?
- CVE-2018-12537 is a medium-severity vulnerability in Eclipse Vert.x, classified under CRLF Injection. CVSS score: 5.3/10. Published 2018-08-14.
- How severe is CVE-2018-12537?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2018-12537 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.