Vulnerability CVE-2015-3185
Published: 2015-07-20   Modified: 2015-07-21

Description:
The ap_some_auth_required function in server/request.c in the Apache HTTP Server 2.4.x before 2.4.14 does not consider that a Require directive may be associated with an authorization setting rather than an authentication setting, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances by leveraging the presence of a module that relies on the 2.2 API behavior.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Canonical -> Ubuntu linux 
Apple -> Xcode 
Apple -> Mac os x 
Apple -> Mac os x server 
Apache -> Http server 

 References:
http://httpd.apache.org/security/vulnerabilities_24.html
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00002.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00004.html
http://lists.opensuse.org/opensuse-updates/2015-10/msg00011.html
http://rhn.redhat.com/errata/RHSA-2015-1666.html
http://rhn.redhat.com/errata/RHSA-2015-1667.html
http://rhn.redhat.com/errata/RHSA-2016-2957.html
http://www.apache.org/dist/httpd/CHANGES_2.4
http://www.debian.org/security/2015/dsa-3325
http://www.securityfocus.com/bid/75965
http://www.securitytracker.com/id/1032967
http://www.ubuntu.com/usn/USN-2686-1
https://access.redhat.com/errata/RHSA-2017:2708
https://access.redhat.com/errata/RHSA-2017:2709
https://access.redhat.com/errata/RHSA-2017:2710
https://github.com/apache/httpd/commit/cd2b7a26c776b0754fb98426a67804fd48118708
https://support.apple.com/HT205217
https://support.apple.com/HT205219
https://support.apple.com/kb/HT205031
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