CVE-2016-4975 mod_userdir CRLF injection
MediumCVSS 6.1
EPSS 19.9%
- Published
- Updated
- Exploit status
- No public exploit known
Description
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).
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/apache2(Debian:12) | < 2.4.25-1 | 2.4.25-1 |
| debian/apache2(Debian:13) | < 2.4.25-1 | 2.4.25-1 |
| debian/apache2(Debian:14) | < 2.4.25-1 | 2.4.25-1 |
| Apache HTTP Server | = 2.2.0 | No fix listed |
| Apache HTTP Server | = 2.2.2 | No fix listed |
| Apache HTTP Server | = 2.2.3 | No fix listed |
| Apache HTTP Server | = 2.2.4 | No fix listed |
| Apache HTTP Server | = 2.2.6 | No fix listed |
| Apache HTTP Server | = 2.2.8 | No fix listed |
| Apache HTTP Server | = 2.2.9 | No fix listed |
| Apache HTTP Server | = 2.2.10 | No fix listed |
| Apache HTTP Server | = 2.2.11 | No fix listed |
| Apache HTTP Server | = 2.2.12 | No fix listed |
| Apache HTTP Server | = 2.2.13 | No fix listed |
| Apache HTTP Server | = 2.2.14 | No fix listed |
| Apache HTTP Server | = 2.2.15 | No fix listed |
| Apache HTTP Server | = 2.2.16 | No fix listed |
| Apache HTTP Server | = 2.2.17 | No fix listed |
| Apache HTTP Server | = 2.2.18 | No fix listed |
| Apache HTTP Server | = 2.2.19 | No fix listed |
| Apache HTTP Server | = 2.2.20 | No fix listed |
| Apache HTTP Server | = 2.2.21 | No fix listed |
| Apache HTTP Server | = 2.2.22 | No fix listed |
| Apache HTTP Server | = 2.2.23 | No fix listed |
| Apache HTTP Server | = 2.2.24 | No fix listed |
Show 21 more
| Product | Affected versions | Fixed in |
|---|---|---|
| Apache HTTP Server | = 2.2.25 | No fix listed |
| Apache HTTP Server | = 2.2.26 | No fix listed |
| Apache HTTP Server | = 2.2.27 | No fix listed |
| Apache HTTP Server | = 2.2.29 | No fix listed |
| Apache HTTP Server | = 2.2.31 | No fix listed |
| Apache HTTP Server | = 2.4.1 | No fix listed |
| Apache HTTP Server | = 2.4.2 | No fix listed |
| Apache HTTP Server | = 2.4.3 | No fix listed |
| Apache HTTP Server | = 2.4.4 | No fix listed |
| Apache HTTP Server | = 2.4.6 | No fix listed |
| Apache HTTP Server | = 2.4.7 | No fix listed |
| Apache HTTP Server | = 2.4.9 | No fix listed |
| Apache HTTP Server | = 2.4.10 | No fix listed |
| Apache HTTP Server | = 2.4.12 | No fix listed |
| Apache HTTP Server | = 2.4.16 | No fix listed |
| Apache HTTP Server | = 2.4.17 | No fix listed |
| Apache HTTP Server | = 2.4.18 | No fix listed |
| Apache HTTP Server | = 2.4.20 | No fix listed |
| Apache HTTP Server | = 2.4.23 | No fix listed |
| Apache HTTP Server | = Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23) | No fix listed |
| Apache HTTP Server | = Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31) | No fix listed |
References
- Debian Security Tracker CVE-2016-4975 vendor-advisory
- 105093 third-party-advisory vdb-entry
- httpd.apache.org vendor-advisory
- httpd.apache.org vendor-advisory
- [httpd-cvs] 20190815 svn commit: r1048743 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20190815 svn commit: r1048742 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20190815 svn commit: r1048743 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20190815 svn commit: r1048742 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20210330 svn commit: r1073139 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ mailing-list
- [httpd-cvs] 20200401 svn commit: r1058586 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20210606 svn commit: r1075470 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20210330 svn commit: r1073140 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ mailing-list
- [httpd-cvs] 20210330 svn commit: r1073149 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/ mailing-list
- [httpd-cvs] 20210330 svn commit: r1073140 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20210330 svn commit: r1073146 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20200401 svn commit: r1058586 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20210603 svn commit: r1075360 [3/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20210330 svn commit: r1073146 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20210330 svn commit: r1888194 [10/13] - /httpd/site/trunk/content/security/json/ mailing-list
- [httpd-cvs] 20200401 svn commit: r1058587 [4/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/ mailing-list
- [httpd-cvs] 20200401 svn commit: r1058587 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html mailing-list
- security.netapp.com third-party-advisory
- support.hpe.com