CVE-2016-4975: mod_userdir CRLF injection
First published: Tue Aug 14 2018(Updated: )
Possible 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).
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache HTTP server | =2.2.0 | |
| Apache HTTP server | =2.2.2 | |
| Apache HTTP server | =2.2.3 | |
| Apache HTTP server | =2.2.4 | |
| Apache HTTP server | =2.2.6 | |
| Apache HTTP server | =2.2.8 | |
| Apache HTTP server | =2.2.9 | |
| Apache HTTP server | =2.2.10 | |
| Apache HTTP server | =2.2.11 | |
| Apache HTTP server | =2.2.12 | |
| Apache HTTP server | =2.2.13 | |
| Apache HTTP server | =2.2.14 | |
| Apache HTTP server | =2.2.15 | |
| Apache HTTP server | =2.2.16 | |
| Apache HTTP server | =2.2.17 | |
| Apache HTTP server | =2.2.18 | |
| Apache HTTP server | =2.2.19 | |
| Apache HTTP server | =2.2.20 | |
| Apache HTTP server | =2.2.21 | |
| Apache HTTP server | =2.2.22 | |
| Apache HTTP server | =2.2.23 | |
| Apache HTTP server | =2.2.24 | |
| Apache HTTP server | =2.2.25 | |
| Apache HTTP server | =2.2.26 | |
| Apache HTTP server | =2.2.27 | |
| Apache HTTP server | =2.2.29 | |
| Apache HTTP server | =2.2.31 | |
| Apache HTTP server | =2.4.1 | |
| Apache HTTP server | =2.4.2 | |
| Apache HTTP server | =2.4.3 | |
| Apache HTTP server | =2.4.4 | |
| Apache HTTP server | =2.4.6 | |
| Apache HTTP server | =2.4.7 | |
| Apache HTTP server | =2.4.9 | |
| Apache HTTP server | =2.4.10 | |
| Apache HTTP server | =2.4.12 | |
| Apache HTTP server | =2.4.16 | |
| Apache HTTP server | =2.4.17 | |
| Apache HTTP server | =2.4.18 | |
| Apache HTTP server | =2.4.20 | |
| Apache HTTP server | =2.4.23 |
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Reference Links
- http://www.securityfocus.com/bid/105093
- https://httpd.apache.org/security/vulnerabilities_22.html#CVE-2016-4975
- https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2016-4975
- https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f@%3Ccvs.httpd.apache.org%3E
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- https://lists.apache.org/thread.html/re1e3a24664d35bcd0a0e793e0b5fc6ca6c107f99a1b2c545c5d4b467@%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@%3Ccvs.httpd.apache.org%3E
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- https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b@%3Ccvs.httpd.apache.org%3E
- https://security.netapp.com/advisory/ntap-20180926-0006/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us
- https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E
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- https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E
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- https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E
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