Bug 877632 (CVE-2012-4209) - CVE-2012-4209 Mozilla: Frames can shadow top.location (MFSA 2012-103)
Summary: CVE-2012-4209 Mozilla: Frames can shadow top.location (MFSA 2012-103)
Alias: CVE-2012-4209
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On:
Blocks: Embargoed873088
TreeView+ depends on / blocked
Reported: 2012-11-17 11:59 UTC by Huzaifa S. Sidhpurwala
Modified: 2023-05-11 21:01 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2013-01-16 16:52:10 UTC

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2012:1482 0 normal SHIPPED_LIVE Critical: firefox security update 2012-11-21 03:10:31 UTC
Red Hat Product Errata RHSA-2012:1483 0 normal SHIPPED_LIVE Critical: thunderbird security update 2012-11-21 02:49:59 UTC

Description Huzaifa S. Sidhpurwala 2012-11-17 11:59:55 UTC
Security researcher Mariusz Mlynski reported that the location property can be accessed by binary plugins through top.location with a frame whose name attribute's value is set to "top". This can allow for possible cross-site scripting (XSS) attacks through plugins.

In general these flaws cannot be exploited through email in the Thunderbird and SeaMonkey products because scripting is disabled, but are potentially a risk in browser or browser-like contexts in those products.

External Reference:



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

Comment 1 errata-xmlrpc 2012-11-20 21:51:49 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6
  Red Hat Enterprise Linux 5

Via RHSA-2012:1483 https://rhn.redhat.com/errata/RHSA-2012-1483.html

Comment 2 errata-xmlrpc 2012-11-20 22:12:23 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 6

Via RHSA-2012:1482 https://rhn.redhat.com/errata/RHSA-2012-1482.html

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