Bug 1082904 (CVE-2013-5705) - CVE-2013-5705 mod_security: bypass of intended rules via chunked requests
Summary: CVE-2013-5705 mod_security: bypass of intended rules via chunked requests
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: CVE-2013-5705
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: 1082905 1082906 1082907
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-04-01 04:54 UTC by Murray McAllister
Modified: 2019-09-29 13:15 UTC (History)
7 users (show)

Fixed In Version: mod_security 2.7.6
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-07-29 13:56:48 UTC
Embargoed:


Attachments (Terms of Use)

Description Murray McAllister 2014-04-01 04:54:44 UTC
Martin Holst Swende discovered a flaw in the way mod_security handled chunked requests. A remote attacker could use this flaw to bypass intended mod_security restrictions, allowing them to send requests containing content that should have been removed by mod_security.

This issue was corrected in mod_security version 2.7.6.

Upstream patch: https://github.com/SpiderLabs/ModSecurity/commit/f8d441cd25172fdfe5b613442fedfc0da3cc333d

References:

http://martin.swende.se/blog/HTTPChunked.html

Comment 1 Murray McAllister 2014-04-01 05:00:53 UTC
Created mod_security tracking bugs for this issue:

Affects: fedora-all [bug 1082905]
Affects: epel-all [bug 1082906]

Comment 3 Fedora Update System 2014-04-14 22:33:48 UTC
mod_security-2.7.5-3.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 4 Fedora Update System 2014-04-14 22:41:22 UTC
mod_security-2.7.5-3.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 5 Fedora Update System 2014-04-17 19:42:27 UTC
mod_security-2.6.8-5.el5 has been pushed to the Fedora EPEL 5 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 6 Fedora Update System 2014-04-17 19:42:45 UTC
mod_security-2.7.3-3.el6 has been pushed to the Fedora EPEL 6 stable repository.  If problems still persist, please make note of it in this bug report.


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