CVE-2018-12358

MEDIUM

Firefox < 61.0 - Exposure of Sensitive Information via Service Worker Redirection

Title source: llm
STIX 2.1

Description

Service workers can use redirection to avoid the tainting of cross-origin resources in some instances, allowing a malicious site to read responses which are supposed to be opaque. This vulnerability affects Firefox < 61.

References (5)

Core 5
Core References
Mitigation, Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201810-01
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-15/
Issue Tracking, Permissions Required x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1467852
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1041193
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3705-1/

Scores

CVSS v3 4.3
EPSS 0.0029
EPSS Percentile 52.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Details

CWE
CWE-200
Status published
Products (5)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 17.10
canonical/ubuntu_linux 18.04
mozilla/firefox < 61.0
Published Oct 18, 2018
Tracked Since Feb 18, 2026