#VU7095 Information disclosure in Firefox ESR - CVE-2017-7763

 

#VU7095 Information disclosure in Firefox ESR - CVE-2017-7763

Published: June 15, 2017 / Updated: May 26, 2020


Vulnerability identifier: #VU7095
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7763
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Firefox ESR
Software vendor:
Mozilla

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The weakness exists due to displaying of some Tibetan characters as whitespace by default fonts on OS X. A remote attacker can use characters in the addressbar as part of an IDN to perform domain name spoofing attacks and read arbitrary files.

Successful exploitation of the vulnerability results in information disclosure.

Remediation

Update to version 52.2.

External links