Vulnerability Description
If a long user name is used in a username/password combination in a site URL (such as " http://UserName:[email protected]"), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service. This vulnerability affects Firefox < 55.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 55.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/100401Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039124Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1360842ExploitIssue TrackingPatch
- https://www.exploit-db.com/exploits/43020/Third Party AdvisoryVDB Entry
- https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
- http://www.securityfocus.com/bid/100401Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039124Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1360842ExploitIssue TrackingPatch
- https://www.exploit-db.com/exploits/43020/Third Party AdvisoryVDB Entry
- https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
FAQ
What is CVE-2017-7783?
CVE-2017-7783 is a vulnerability with a CVSS score of 7.5 (HIGH). If a long user name is used in a username/password combination in a site URL (such as " http://UserName:[email protected]"), the resulting modal prompt will hang in a non-responsive state or crash,...
How severe is CVE-2017-7783?
CVE-2017-7783 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-7783?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.