Low severity · published Jan 16, 2016
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…
3.7
CVSS
1.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
H2
H2o · Dena
through 1.6.1; 1.7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-1133
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-1133
Vendor Advisory
http://jvn.jp/en/jp/JVN45928828/index.html
Vendor Advisory
http://jvndb.jvn.jp/jvndb/JVNDB-2016-000003
github.com
https://github.com/h2o/h2o/issues/682
github.com
https://github.com/h2o/h2o/issues/684
h2o.examp1e.net
https://h2o.examp1e.net/vulnerabilities.html#CVE-2016-1133
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