CVE-2017-7844

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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

http://www.securityfocus.com/bid/102039

http://www.securitytracker.com/id/1039954

https://bugzilla.mozilla.org/show_bug.cgi?id=1420001

https://www.mozilla.org/security/advisories/mfsa2017-27/

Details

Source: MITRE

Published: 2018-06-11

Updated: 2018-08-06

Type: CWE-200

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Tenable Plugins

View all (6 total)

IDNameProductFamilySeverity
700323Mozilla Firefox < 57.0.1 Multiple VulnerabilitiesNessus Network MonitorWeb Clients
low
700322Mozilla Firefox < 57 Multiple VulnerabilitiesNessus Network MonitorWeb Clients
critical
106884GLSA-201802-03 : Mozilla Firefox: Multiple vulnerabilitiesNessusGentoo Local Security Checks
critical
105040Mozilla Firefox < 57.0.1 Multiple VulnerabilitiesNessusWindows
high
105039Mozilla Firefox < 57.0.1 Multiple Vulnerabilities (macOS)NessusMacOS X Local Security Checks
high
105026FreeBSD : mozilla -- multiple vulnerabilities (b7e23050-2d5d-4e61-9b48-62e89db222ca)NessusFreeBSD Local Security Checks
high