SB20240806155 - Amazon Linux AMI update for bouncycastle

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB20240806155

SB20240806155 - Amazon Linux AMI update for bouncycastle

Published: August 6, 2024

Security Bulletin ID SB20240806155
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2024-29857)

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

The vulnerability exists due to library does not properly control consumption of internal resources when importing an EC certificate with specially crafted F2m parameters. A remote attacker can pass a specially crafted certificate to the application to trigger resource exhaustion and perform a denial of service (DoS) attack.


2) Insufficient verification of data authenticity (CVE-ID: CVE-2024-34447)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to hostname verification is performed against a DNS-resolved IP address when endpoint identification is enabled in the BCJSSE and an SSL socket is not created with an explicit hostname. A remote attacker can bypass implemented security restrictions.


Remediation

Install update from vendor's website.

References