SB2019121210 - RHSA-2019:4190 - Security Advisory 

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Main Vulnerability Database SB2019121210

SB2019121210 - RHSA-2019:4190 - Security Advisory

Published: December 12, 2019

Security Bulletin ID SB2019121210
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) Out-of-bounds write (CVE-ID: CVE-2019-11745)

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.


2) Input validation error (CVE-ID: CVE-2019-11729)

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

The vulnerability exists due to insufficient validation of user-supplied input when processing an empty or malformed p256-ECDH public keys. A remote attacker can trigger a segmentation fault and cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.

References