Bug 1479176 – CVE-2017-7783 Mozilla: DOS attack through long username in URL (MFSA 2017-18)

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Bug 1479176 - (CVE-2017-7783) CVE-2017-7783 Mozilla: DOS attack through long username in URL (MFSA 2017-18)

Summary:	CVE-2017-7783 Mozilla: DOS attack through long username in URL (MFSA 2017-18)

Status:	CLOSED NOTABUG

Aliases:	CVE-2017-7783

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
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URL:
Whiteboard:	impact=low,public=20170808,reported=2...
Keywords:	Security

Depends On:
Blocks:	1477026
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Reported:	2017-08-08 02:22 EDT by Doran Moppert
Modified:	2017-08-24 03:34 EDT (History)
CC List:	3 users (show)

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Last Closed:	2017-08-08 21:12:44 EDT
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Description Doran Moppert 2017-08-08 02:22:16 EDT

If a long user name is used in a username/password combination in a site URL (such as 'http://UserName:Password@sometime.org'), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service on the browser as a whole.


External Reference:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-18/#CVE-2017-7783


Acknowledgements:

Name: the Mozilla project
Upstream: Amit Sangra

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