Divide by zero in Mozilla NSS - CVE-2017-11697
Published: August 15, 2017 / Updated: August 20, 2020
Vulnerability identifier: #VU7880
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-11697
CWE-ID: CWE-369
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to gain elevated privileges.
The weakness exists due to floating point exception in __hash_open() in 'hash.c'. A local attacker supply a specially crafted 'cert8.db' file, cause is to be processed by the NSS 'certutil' application and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to floating point exception in __hash_open() in 'hash.c'. A local attacker supply a specially crafted 'cert8.db' file, cause is to be processed by the NSS 'certutil' application and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Affected software
Mozilla NSS
Gentoo Linux
Gentoo Linux
How to mitigate CVE-2017-11697
Install update from vendor's website.