SB2020062437 - OpenSUSE Linux update for mozilla-nspr, mozilla-nss

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2020062437

SB2020062437 - OpenSUSE Linux update for mozilla-nspr, mozilla-nss

Published: June 24, 2020

Security Bulletin ID SB2020062437
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Heap-based buffer overflow (CVE-ID: CVE-2019-17006)

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

The vulnerability exists due to a boundary error in Mozilla NSS library when processing input text length while using certain cryptographic primitives. A remote attacker can pass specially crafted data to the application, 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.


2) Race condition (CVE-ID: CVE-2020-12399)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to time differences in Mozilla NSS library during the process of generating a DSA signature, the nonce value 'k' is not padded, exposing the bit length. Combined with other techniques, this can result in the recovery of the DSA private key.


Remediation

Install update from vendor's website.

References