CVE-2016-4975

Summary

CVECVE-2016-4975
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-08-14 12:29:00 UTC
Updated2023-11-07 02:32:00 UTC
DescriptionPossible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the "Location" or other outbound header key or value. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31).

Risk And Classification

Problem Types: CWE-93

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Http Server 2.2.0 All All All
Application Apache Http Server 2.2.10 All All All
Application Apache Http Server 2.2.11 All All All
Application Apache Http Server 2.2.12 All All All
Application Apache Http Server 2.2.13 All All All
Application Apache Http Server 2.2.14 All All All
Application Apache Http Server 2.2.15 All All All
Application Apache Http Server 2.2.16 All All All
Application Apache Http Server 2.2.17 All All All
Application Apache Http Server 2.2.18 All All All
Application Apache Http Server 2.2.19 All All All
Application Apache Http Server 2.2.2 All All All
Application Apache Http Server 2.2.20 All All All
Application Apache Http Server 2.2.21 All All All
Application Apache Http Server 2.2.22 All All All
Application Apache Http Server 2.2.23 All All All
Application Apache Http Server 2.2.24 All All All
Application Apache Http Server 2.2.25 All All All
Application Apache Http Server 2.2.26 All All All
Application Apache Http Server 2.2.27 All All All
Application Apache Http Server 2.2.29 All All All
Application Apache Http Server 2.2.3 All All All
Application Apache Http Server 2.2.31 All All All
Application Apache Http Server 2.2.4 All All All
Application Apache Http Server 2.2.6 All All All
Application Apache Http Server 2.2.8 All All All
Application Apache Http Server 2.2.9 All All All
Application Apache Http Server 2.4.1 All All All
Application Apache Http Server 2.4.10 All All All
Application Apache Http Server 2.4.12 All All All
Application Apache Http Server 2.4.16 All All All
Application Apache Http Server 2.4.17 All All All
Application Apache Http Server 2.4.18 All All All
Application Apache Http Server 2.4.2 All All All
Application Apache Http Server 2.4.20 All All All
Application Apache Http Server 2.4.23 All All All
Application Apache Http Server 2.4.3 All All All
Application Apache Http Server 2.4.4 All All All
Application Apache Http Server 2.4.6 All All All
Application Apache Http Server 2.4.7 All All All
Application Apache Http Server 2.4.9 All All All
Application Apache Http Server 2.2.0 All All All
Application Apache Http Server 2.2.10 All All All
Application Apache Http Server 2.2.11 All All All
Application Apache Http Server 2.2.12 All All All
Application Apache Http Server 2.2.13 All All All
Application Apache Http Server 2.2.14 All All All
Application Apache Http Server 2.2.15 All All All
Application Apache Http Server 2.2.16 All All All
Application Apache Http Server 2.2.17 All All All
Application Apache Http Server 2.2.18 All All All
Application Apache Http Server 2.2.19 All All All
Application Apache Http Server 2.2.2 All All All
Application Apache Http Server 2.2.20 All All All
Application Apache Http Server 2.2.21 All All All
Application Apache Http Server 2.2.22 All All All
Application Apache Http Server 2.2.23 All All All
Application Apache Http Server 2.2.24 All All All
Application Apache Http Server 2.2.25 All All All
Application Apache Http Server 2.2.26 All All All
Application Apache Http Server 2.2.27 All All All
Application Apache Http Server 2.2.29 All All All
Application Apache Http Server 2.2.3 All All All
Application Apache Http Server 2.2.31 All All All
Application Apache Http Server 2.2.4 All All All
Application Apache Http Server 2.2.6 All All All
Application Apache Http Server 2.2.8 All All All
Application Apache Http Server 2.2.9 All All All
Application Apache Http Server 2.4.1 All All All
Application Apache Http Server 2.4.10 All All All
Application Apache Http Server 2.4.12 All All All
Application Apache Http Server 2.4.16 All All All
Application Apache Http Server 2.4.17 All All All
Application Apache Http Server 2.4.18 All All All
Application Apache Http Server 2.4.2 All All All
Application Apache Http Server 2.4.20 All All All
Application Apache Http Server 2.4.23 All All All
Application Apache Http Server 2.4.3 All All All
Application Apache Http Server 2.4.4 All All All
Application Apache Http Server 2.4.6 All All All
Application Apache Http Server 2.4.7 All All All
Application Apache Http Server 2.4.9 All All All

References

ReferenceSourceLinkTags
Pony Mail! lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
Document Display | HPE Support Center CONFIRM support.hpe.com
Pony Mail! lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! lists.apache.org
httpd 2.2 vulnerabilities - The Apache HTTP Server Project CONFIRM httpd.apache.org Vendor Advisory
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Malformed Request BID www.securityfocus.com Third Party Advisory, VDB Entry
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
httpd 2.4 vulnerabilities - The Apache HTTP Server Project CONFIRM httpd.apache.org Vendor Advisory
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
CVE-2016-4975 Apache HTTP Server Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com Third Party Advisory
Pony Mail! MLIST lists.apache.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: The issue was discovered by Sergey Bobrov

Legacy QID Mappings

  • 378182 Virtuozzo Linux Security Update for mod_proxy_html (VZLSA-2017:0906)
  • 730846 Apache HTTP Server CRLF Injection Vulnerability (CVE-2016-4975)
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