#VU23050 Out-of-bounds write in Mozilla NSS - CVE-2019-11745

 

#VU23050 Out-of-bounds write in Mozilla NSS - CVE-2019-11745

Published: November 28, 2019


Vulnerability identifier: #VU23050
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-11745
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mozilla NSS
Software vendor:
Mozilla

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input within the NSC_EncryptUpdate() function in /lib/softoken/pkcs11c.c, when performing padding operations in Mozilla NSS. A remote attacker can pass specially crafted data to the affected application, trigger out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install updates from vendor's website.

External links