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Vulnerability Details : CVE-2016-4975

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).
Publish Date : 2018-08-14 Last Update Date : 2021-06-06
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Http response splitting
CWE ID 93

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2017:0906: httpd security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20170906 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2016-4975

# Product Type Vendor Product Version Update Edition Language
1 Application Apache Http Server 2.2.0 * * * Version Details Vulnerabilities
2 Application Apache Http Server 2.2.2 * * * Version Details Vulnerabilities
3 Application Apache Http Server 2.2.3 * * * Version Details Vulnerabilities
4 Application Apache Http Server 2.2.4 * * * Version Details Vulnerabilities
5 Application Apache Http Server 2.2.6 * * * Version Details Vulnerabilities
6 Application Apache Http Server 2.2.8 * * * Version Details Vulnerabilities
7 Application Apache Http Server 2.2.9 * * * Version Details Vulnerabilities
8 Application Apache Http Server 2.2.10 * * * Version Details Vulnerabilities
9 Application Apache Http Server 2.2.11 * * * Version Details Vulnerabilities
10 Application Apache Http Server 2.2.12 * * * Version Details Vulnerabilities
11 Application Apache Http Server 2.2.13 * * * Version Details Vulnerabilities
12 Application Apache Http Server 2.2.14 * * * Version Details Vulnerabilities
13 Application Apache Http Server 2.2.15 * * * Version Details Vulnerabilities
14 Application Apache Http Server 2.2.16 * * * Version Details Vulnerabilities
15 Application Apache Http Server 2.2.17 * * * Version Details Vulnerabilities
16 Application Apache Http Server 2.2.18 * * * Version Details Vulnerabilities
17 Application Apache Http Server 2.2.19 * * * Version Details Vulnerabilities
18 Application Apache Http Server 2.2.20 * * * Version Details Vulnerabilities
19 Application Apache Http Server 2.2.21 * * * Version Details Vulnerabilities
20 Application Apache Http Server 2.2.22 * * * Version Details Vulnerabilities
21 Application Apache Http Server 2.2.23 * * * Version Details Vulnerabilities
22 Application Apache Http Server 2.2.24 * * * Version Details Vulnerabilities
23 Application Apache Http Server 2.2.25 * * * Version Details Vulnerabilities
24 Application Apache Http Server 2.2.26 * * * Version Details Vulnerabilities
25 Application Apache Http Server 2.2.27 * * * Version Details Vulnerabilities
26 Application Apache Http Server 2.2.29 * * * Version Details Vulnerabilities
27 Application Apache Http Server 2.2.31 * * * Version Details Vulnerabilities
28 Application Apache Http Server 2.4.1 * * * Version Details Vulnerabilities
29 Application Apache Http Server 2.4.2 * * * Version Details Vulnerabilities
30 Application Apache Http Server 2.4.3 * * * Version Details Vulnerabilities
31 Application Apache Http Server 2.4.4 * * * Version Details Vulnerabilities
32 Application Apache Http Server 2.4.6 * * * Version Details Vulnerabilities
33 Application Apache Http Server 2.4.7 * * * Version Details Vulnerabilities
34 Application Apache Http Server 2.4.9 * * * Version Details Vulnerabilities
35 Application Apache Http Server 2.4.10 * * * Version Details Vulnerabilities
36 Application Apache Http Server 2.4.12 * * * Version Details Vulnerabilities
37 Application Apache Http Server 2.4.16 * * * Version Details Vulnerabilities
38 Application Apache Http Server 2.4.17 * * * Version Details Vulnerabilities
39 Application Apache Http Server 2.4.18 * * * Version Details Vulnerabilities
40 Application Apache Http Server 2.4.20 * * * Version Details Vulnerabilities
41 Application Apache Http Server 2.4.23 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apache Http Server 41

- References For CVE-2016-4975

https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1073149 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1888194 [10/13] - /httpd/site/trunk/content/security/json/
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1073139 [10/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://lists.apache.org/thread.html/[email protected]%3Ccvs.httpd.apache.org%3E
MLIST [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
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us CONFIRM
https://security.netapp.com/advisory/ntap-20180926-0006/ CONFIRM
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2016-4975 CONFIRM
https://httpd.apache.org/security/vulnerabilities_22.html#CVE-2016-4975 CONFIRM
http://www.securityfocus.com/bid/105093
BID 105093 Apache HTTP Server CVE-2016-4975 HTTP Response Splitting Vulnerability Release Date:2018-08-14

- Metasploit Modules Related To CVE-2016-4975

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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