Bug 1023836 - (CVE-2013-5593) CVE-2013-5593 Mozilla: Spoofing addressbar though SELECT element (MFSA 2013-94)
CVE-2013-5593 Mozilla: Spoofing addressbar though SELECT element (MFSA 2013-94)
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
: Security
Depends On:
Blocks: 1015366
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Reported: 2013-10-28 00:26 EDT by Huzaifa S. Sidhpurwala
Modified: 2013-10-29 13:11 EDT (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2013-10-28 01:19:08 EDT
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Description Huzaifa S. Sidhpurwala 2013-10-28 00:26:18 EDT
Security researcher Jordi Chancel discovered a method to put arbitrary HTML content within <select> elements and place it in arbitrary locations. This can be used to spoof the displayed addressbar, leading to clickjacking and other spoofing attacks.

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

External Reference:



Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Jordi Chancel as the original reporter.


This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5 and 6

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