#VU7836 Out-of-bounds read in Mozilla Firefox - CVE-2017-7753
Published: August 14, 2017
Vulnerability identifier: #VU7836
Vulnerability risk: Low
CVSSv4.0: 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-2017-7753
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Mozilla Firefox
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists due to out-of-bounds read when applying style rules to pseudo-elements, such as ::first-line, using cached style data. A remote attacker can trick the victim into visiting a specially crafted website, 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 when applying style rules to pseudo-elements, such as ::first-line, using cached style data. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and read arbitrary files on the system.
Successful exploitation of the vulnerability results in information disclosure.
Remediation
Update to version 55.0.