Bug 1009041 - (CVE-2013-1737) CVE-2013-1737 Mozilla: User-defined properties on DOM proxies get the wrong "this" object (MFSA 2013-91)
CVE-2013-1737 Mozilla: User-defined properties on DOM proxies get the wrong "...
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20130917,repor...
: Security
Depends On:
Blocks: 1004291
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Reported: 2013-09-17 10:26 EDT by Huzaifa S. Sidhpurwala
Modified: 2016-06-10 17:23 EDT (History)
4 users (show)

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Doc Type: Bug Fix
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Last Closed: 2016-06-10 17:23:31 EDT
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Description Huzaifa S. Sidhpurwala 2013-09-17 10:26:50 EDT
Mozilla developer Boris Zbarsky reported that user-defined getters on DOM proxies would incorrectly get the expando object as this. It is unlikely that this is directly exploitable but could lead to JavaScript client or add-on code making incorrect security sensitive decisions based on hacker supplied values.

In general this flaw cannot be exploited through email in the Thunderbird product because scripting is disabled, but is potentially a risk in browser or browser-like contexts.


External Reference:

http://www.mozilla.org/security/announce/2013/mfsa2013-91.html


Acknowledgements:

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Boris Zbarsky as the original reporter.
Comment 1 errata-xmlrpc 2013-09-17 15:17:15 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 6

Via RHSA-2013:1269 https://rhn.redhat.com/errata/RHSA-2013-1269.html
Comment 2 errata-xmlrpc 2013-09-17 15:37:52 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 6

Via RHSA-2013:1268 https://rhn.redhat.com/errata/RHSA-2013-1268.html

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