SB20240806155 - Amazon Linux AMI update for bouncycastle
Published: August 6, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Resource exhaustion (CVE-ID: CVE-2024-29857)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
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)
CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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.