Heap-based buffer overflow in Mozilla NSS - CVE-2016-1950

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Main Vulnerability Database Vulnerabilities #VU32316

Heap-based buffer overflow in Mozilla NSS - CVE-2016-1950

Published: March 13, 2016 / Updated: July 28, 2020


Vulnerability identifier: #VU32316
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-1950
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla NSS

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in Mozilla Network Security Services (NSS) before 3.19.2.3 and 3.20.x and 3.21.x before 3.21.1, as used in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7,. A remote attacker can use crafted ASN.1 data in an X.509 certificate. to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2016-1950

Update to version 3.19.2.3.

Sources