4.3med

CVE-2017-5451

A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
4.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.5%
percentile 74%
Public exploits
0
none known

Summary

A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

Exploit prediction (EPSS)

1.48% probability of exploitation in the next 30 days, higher than 74% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.04.3CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • Mozilla Thunderbird
  • Mozilla Firefox ESR
  • Mozilla Firefox

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • access.redhat.com /errata/RHSA-2017:1106 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • mozilla.org /security/advisories/mfsa2017-12/ · x_refsource_CONFIRM, x_transferred
  • mozilla.org /security/advisories/mfsa2017-10/ · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/97940 · vdb-entry, x_refsource_BID, x_transferred
  • mozilla.org /security/advisories/mfsa2017-13/ · x_refsource_CONFIRM, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1273537 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1038320 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • access.redhat.com /errata/RHSA-2017:1201 · vendor-advisory, x_refsource_REDHAT, x_transferred

Sources

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