SB2025020605 - Ubuntu update for ruby2.7

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Resource exhaustion (CVE-ID: CVE-2024-43398)

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

The vulnerability exists due to application does not properly control consumption of internal resources when parsing XML with multiple deep elements that have same local name attributes. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

2) Input validation error (CVE-ID: CVE-2024-39908)

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

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass specially crafted characters, such as "<", "\0" and "%>" to the application and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://ubuntu.com/security/notices/USN-7256-1