5.3med

CVE-2017-5383

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain nam…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
5.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.4%
percentile 84%
Public exploits
0
none known

Summary

URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

Exploit prediction (EPSS)

2.41% probability of exploitation in the next 30 days, higher than 84% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD2.05.0AV:N/AC:L/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

  • mozilla.org /security/advisories/mfsa2017-03/ · x_refsource_CONFIRM, x_transferred
  • mozilla.org /security/advisories/mfsa2017-02/ · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/201702-22 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1323338 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-3832 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • security.gentoo.org /glsa/201702-13 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • debian.org /security/2017/dsa-3771 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securitytracker.com /id/1037693 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • mozilla.org /security/advisories/mfsa2017-01/ · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0190.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0238.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1324716 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/95769 · vdb-entry, x_refsource_BID, 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.