CVE-2017-12171: Input Validation
First published: Tue Sep 19 2017(Updated: )
A regression was found in the Red Hat Enterprise Linux 6.9 version of httpd 2.2.15-60, causing comments in the "Allow" and "Deny" configuration lines to be parsed incorrectly. A web administrator could unintentionally allow any client to access a restricted HTTP resource.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Enterprise Linux | =6.9 | |
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Apache HTTP Server | =2.2.15-60 |
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Reference Links
- http://www.securityfocus.com/bid/101516
- http://www.securitytracker.com/id/1039633
- https://access.redhat.com/errata/RHSA-2017:2972
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12171
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1489849
- https://bugzilla.redhat.com/show_bug.cgi?id=1493056
Frequently Asked Questions
What is the severity of CVE-2017-12171?
CVE-2017-12171 is classified as a moderate severity vulnerability.
How do I fix CVE-2017-12171?
To fix CVE-2017-12171, update the httpd package to version 2.2.15-61 or later in Red Hat Enterprise Linux 6.9.
Who is affected by CVE-2017-12171?
CVE-2017-12171 affects users running Red Hat Enterprise Linux 6.9 with Apache HTTP Server version 2.2.15-60.
What is the impact of CVE-2017-12171?
The impact of CVE-2017-12171 allows unauthorized access to restricted HTTP resources due to incorrect parsing of comments in configuration lines.
Does CVE-2017-12171 affect newer versions of httpd?
No, CVE-2017-12171 specifically impacts the version of httpd 2.2.15-60 found in Red Hat Enterprise Linux 6.9.
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