Information disclosure in Firefox ESR - CVE-2017-7768

 

Information disclosure in Firefox ESR - CVE-2017-7768

Published: June 14, 2017 / Updated: May 26, 2020


Vulnerability identifier: #VU7079
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-7768
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Firefox ESR

Detailed vulnerability description

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

The weakness exists in the Mozilla Windows Updater due to improper access control. A local attacker can use Mozilla Maintenance Service to bypass system protections and read 32 bytes of any arbitrary file on the local system.

Successful exploitation of the vulnerability results in information disclosure.

How to mitigate CVE-2017-7768

Update to version 52.2.

Sources