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)
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-7783
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1477026
TreeView+ depends on / blocked
 
Reported: 2017-08-08 06:22 UTC by Doran Moppert
Modified: 2021-02-25 23:27 UTC (History)
3 users (show)

Fixed In Version:
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Clone Of:
Environment:
Last Closed: 2017-08-09 01:12:44 UTC


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Description Doran Moppert 2017-08-08 06:22:16 UTC
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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