7.5high

CVE-2016-9904

An attacker could use a JavaScript Map/Set timing attack to determine whether an atom is used by another compartment/zone in specific conte…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.7%
percentile 86%
Public exploits
0
none known

Summary

An attacker could use a JavaScript Map/Set timing attack to determine whether an atom is used by another compartment/zone in specific contexts. This could be used to leak information, such as usernames embedded in JavaScript code, across websites. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

Exploit prediction (EPSS)

2.66% probability of exploitation in the next 30 days, higher than 86% of all scored CVEs.

CVSS scores

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

Affected products

  • Mozilla Firefox
  • Mozilla Firefox ESR
  • Mozilla Thunderbird

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

  • mozilla.org /security/advisories/mfsa2016-94/ · x_refsource_CONFIRM, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1317936 · x_refsource_CONFIRM, x_transferred
  • mozilla.org /security/advisories/mfsa2016-95/ · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/94885 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1037461 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • security.gentoo.org /glsa/201701-15 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • debian.org /security/2017/dsa-3757 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • mozilla.org /security/advisories/mfsa2016-96/ · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2946.html · 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.