Bug 1315747 (CVE-2016-2146) - CVE-2016-2146 mod_auth_mellon: Failure to limit amount of POST data submitted by client
Summary: CVE-2016-2146 mod_auth_mellon: Failure to limit amount of POST data submitted...
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2016-2146
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1316296
Blocks: 1315749
TreeView+ depends on / blocked
 
Reported: 2016-03-08 14:07 UTC by Adam Mariš
Modified: 2021-02-17 04:12 UTC (History)
3 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2016-03-10 06:00:01 UTC
Embargoed:

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Description Adam Mariš 2016-03-08 14:07:06 UTC 
It was reported that am_read_post_data() failed to limit the amount of POST data submitted by
the client. If the memory allocation for reading the POST data fails, we will get a null pointer dereference when we try to load data into it. If the memory allocation succeeds, we will slowly fill up available memory with post data from the client, causing resource exhaustion.

Upstream bug:

https://github.com/UNINETT/mod_auth_mellon/pull/71
Comment 1 Adam Mariš 2016-03-08 14:07:13 UTC 
Acknowledgments:

Name: Olav Morken (Uninett)
Upstream: Vincent Rasneur
Comment 2 Adam Mariš 2016-03-08 14:08:12 UTC 
Note that fixing commit is the same as for CVE-2016-2145.
Comment 3 Garth Mollett 2016-03-09 22:10:35 UTC 
Public via:
https://sympa.uninett.no/lists/uninett.no/arc/modmellon/2016-03/msg00000.html
Comment 4 Garth Mollett 2016-03-09 22:12:47 UTC 
Created mod_auth_mellon tracking bugs for this issue:

Affects: fedora-all [bug 1316296]
Comment 6 Fedora Update System 2016-03-20 02:29:22 UTC 
mod_auth_mellon-0.11.1-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.
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