#VU7072 Out-of-bounds read in Firefox ESR - CVE-2017-7758
Published: June 14, 2017 / Updated: May 26, 2020
Vulnerability identifier: #VU7072
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-2017-7758
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Firefox ESR
Firefox ESR
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to obtain potentially sensitive on the target system.
The weakness exists due to out-of-bounds read with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use. A remote attacker can trigger memory corruption and read arbitrary files on the system.
Successful exploitation of the vulnerability results in information disclosure.
The weakness exists due to out-of-bounds read with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use. A remote attacker can trigger memory corruption and read arbitrary files on the system.
Successful exploitation of the vulnerability results in information disclosure.
Remediation
Update to version 52.2.