Vulnerability in Dena H2o
CVE-2016-1133
CRLF injection vulnerability in the on_req function in lib/handler/redirect.c in H2O before 1.6.2 and 1.7.x before 1.7.0-beta3 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a crafted URI.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.015 (72.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.5% 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
- Dena H2o — versions 1.7.0
References
- github.com/h2o/h2o/issues/682
- github.com/h2o/h2o/issues/684
- jvndb.jvn.jp/jvndb/JVNDB-2016-000003 (Vendor Advisory, third-party-advisory)
- jvn.jp/en/jp/JVN45928828/index.html (Vendor Advisory, third-party-advisory)
- h2o.examp1e.net/vulnerabilities.html
Frequently asked questions
- What is CVE-2016-1133?
- CVE-2016-1133 is a low-severity vulnerability in Dena H2o. CVSS score: 3.7/10. Published 2016-01-16.
- How severe is CVE-2016-1133?
- Low severity. CVSS v3 base score is 3.7 out of 10.