SB2023021568 - Ubuntu update for nss 



SB2023021568 - Ubuntu update for nss

Published: February 15, 2023

Security Bulletin ID SB2023021568
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2022-22747)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of empty pkcs7 sequence, passed as part of the certificate data. A remote attacker can pass specially crafted certificate to the application and perform a denial of service (DoS) attack.


2) Access of Uninitialized Pointer (CVE-ID: CVE-2022-34480)

The vulnerability allows a remote attacker to crash the browser.

The vulnerability exists due to a boundary error within the lg_init() function when handling several allocations. A remote attacker can cause browser crash.


Remediation

Install update from vendor's website.