SB20250402144 - Ubuntu update for ruby-saml
Published: April 2, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2025-25291)
The vulnerability allows a remote attacker to bypass authentication on the system.
The vulnerability exists due to a parser differential. A remote user can execute a Signature Wrapping attack on the target system.
2) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2025-25292)
The vulnerability allows a remote attacker to bypass authentication on the system.
The vulnerability exists due to a parser differential. A remote attacker can execute a Signature Wrapping attack on the target system.
3) Resource exhaustion (CVE-ID: CVE-2025-25293)
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 decompressing SAML responses with zlib. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.