7.5high

CVE-2017-7783in critical feed1 exploit

If a long user name is used in a username/password combination in a site URL (such as " http://UserName:Password@example.com"), the resulti…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
13.8%
percentile 97%
Public exploits
1
Exploit-DB

Summary

If a long user name is used in a username/password combination in a site URL (such as " http://UserName:Password@example.com"), the resulting modal prompt will hang in a non-responsive state or crash, causing a denial of service. This vulnerability affects Firefox < 55.

Exploit prediction (EPSS)

13.85% probability of exploitation in the next 30 days, higher than 97% of all scored CVEs.

Exploits and detections

  • EDB-43020 Mozilla Firefox < 55 - Denial of Service · dos · 2017-10-20

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • Mozilla Firefox

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.