CVE-2018-18494

MEDIUM

Firefox < 64 - Same-Origin Policy Bypass via performance.getEntries()

Title source: llm
STIX 2.1

Description

A same-origin policy violation allowing the theft of cross-origin URL entries when using the Javascript location property to cause a redirection to another site using performance.getEntries(). This is a same-origin policy violation and could allow for data theft. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.

References (15)

Core 15
Core References
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-29/
Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/12/msg00002.html
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3833
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3831
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2019/dsa-4362
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201903-04
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3844-1/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106168
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:0159
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-31/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-30/
Issue Tracking, Permissions Required, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1487964
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2018/dsa-4354
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3868-1/
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:0160

Scores

CVSS v3 6.5
EPSS 0.0107
EPSS Percentile 78.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-346
Status published
Products (17)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
debian/debian_linux 9.0
mozilla/firefox < 60.4.0
mozilla/thunderbird < 60.4.0
redhat/enterprise_linux_desktop 6.0
redhat/enterprise_linux_desktop 7.0
... and 7 more
Published Feb 28, 2019
Tracked Since Feb 18, 2026