Bug 911844 - (CVE-2013-0776) CVE-2013-0776 Mozilla: Phishing on HTTPS connection through malicious proxy (MFSA 2013-27)
CVE-2013-0776 Mozilla: Phishing on HTTPS connection through malicious proxy (...
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=20130219,repor...
: Security
Depends On:
Blocks: 895009
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Reported: 2013-02-16 04:22 EST by Huzaifa S. Sidhpurwala
Modified: 2013-04-12 14:51 EDT (History)
3 users (show)

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Doc Type: Bug Fix
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Last Closed: 2013-04-12 14:51:58 EDT
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Description Huzaifa S. Sidhpurwala 2013-02-16 04:22:45 EST
Google security researcher Michal Zalewski reported an issue where the browser displayed the content of a proxy's 407 response if a user canceled the proxy's authentication prompt. In this circumstance, the addressbar will continue to show the requested site's address, including HTTPS addresses that appear to be secure. This spoofing of addresses can be used for phishing attacks by fooling users into entering credentials, for example.

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:

http://www.mozilla.org/security/announce/2013/mfsa2013-27.html


Acknowledgements:

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Michal Zalewski as the original reporter.
Comment 1 errata-xmlrpc 2013-02-19 17:13:29 EST
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 6

Via RHSA-2013:0272 https://rhn.redhat.com/errata/RHSA-2013-0272.html
Comment 2 errata-xmlrpc 2013-02-19 18:04:15 EST
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 6

Via RHSA-2013:0271 https://rhn.redhat.com/errata/RHSA-2013-0271.html

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