CVE-2017-7844

MEDIUM

Firefox < 57.0.1 - Unauthorized History Query via SVG Image and Anchor Link Coloring

Title source: llm
STIX 2.1

Description

A combination of an external SVG image referenced on a page and the coloring of anchor links stored within this image can be used to determine which pages a user has in their history. This can allow a malicious website to query user history. Note: This issue only affects Firefox 57. Earlier releases are not affected. This vulnerability affects Firefox < 57.0.1.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039954
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-27/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102039
Issue Tracking, Permissions Required, Third Party Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1420001

Scores

CVSS v3 6.5
EPSS 0.0127
EPSS Percentile 79.7%
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-200
Status published
Products (1)
mozilla/firefox < 57.0.1
Published Jun 11, 2018
Tracked Since Feb 18, 2026