CVE-2016-1133
Summary
| CVE | CVE-2016-1133 |
|---|---|
| State | PUBLISHED |
| Assigner | jpcert |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-01-16 05:59:03 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.0 3.7 LOW from [email protected]
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Problem Types: NVD-CWE-Other | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 3.7 | LOW | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N |
| 2.0 | [email protected] | Primary | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
NoneCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
PartialAvailability
NoneAV:N/AC:M/Au:N/C:N/I:P/A:N
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Vulnerabilities - H2O - the optimized HTTP/2 server | af854a3a-2127-422b-91ae-364da2661108 | h2o.examp1e.net | |
| jvndb.jvn.jp/jvndb/JVNDB-2016-000003 | af854a3a-2127-422b-91ae-364da2661108 | jvndb.jvn.jp | Vendor Advisory |
| HTTP response splitting · Issue #682 · h2o/h2o · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | |
| JVN#45928828: H2O vulnerable to HTTP header injection | af854a3a-2127-422b-91ae-364da2661108 | jvn.jp | Vendor Advisory |
| uri-escape the user-supplied portion of the redirect path (CVE-2016-1133) by kazuho · Pull Request #684 · h2o/h2o · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 690287 Free Berkeley Software Distribution (FreeBSD) Security Update for h2o (6c808811-bb9a-11e5-a65c-485d605f4717)