Vulnerability in Ruby
CVE-2011-3624
Various methods in WEBrick::HTTPRequest in Ruby 1.9.2 and 1.8.7 and earlier do not validate the X-Forwarded-For, X-Forwarded-Host and X-Forwarded-Server headers in requests, which might allow remote attackers to inject arbitrary text into log files or bypass intended address parsing via a crafted header.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Ruby — versions 1.9.2, 1.8.7 and earlier
- Ruby-Lang Ruby — versions 1.8.7, 1.9.2
Weakness classification (CWE)
References
- security-tracker.debian.org/tracker/CVE-2011-3624 (Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- access.redhat.com/security/cve/cve-2011-3624 (Third Party Advisory)
- redmine.ruby-lang.org/issues/5418
Frequently asked questions
- What is CVE-2011-3624?
- CVE-2011-3624 is a medium-severity vulnerability in Ruby, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.3/10. Published 2019-11-26.
- How severe is CVE-2011-3624?
- Medium severity. CVSS v3 base score is 5.3 out of 10.