Information disclosure in Mozilla Firefox - CVE-2017-7844

 

Information disclosure in Mozilla Firefox - CVE-2017-7844

Published: December 5, 2017


Vulnerability identifier: #VU9528
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7844
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox

Detailed vulnerability description

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to an error when handling external SVG images from malicious websites. A remote attacker can trick the victim into visiting a specially crafted website, use a combination of an external SVG image referenced on a page and the coloring of anchor links stored within this image and access sensitive information such as stored data and user history.

How to mitigate CVE-2017-7844

Update to version 57.0.1.

Sources