SB20250402144 - Ubuntu update for ruby-saml

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Main Vulnerability Database SB20250402144

SB20250402144 - Ubuntu update for ruby-saml

Published: April 2, 2025

Security Bulletin ID SB20250402144
CSH Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 67% Medium 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2025-25291)

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber


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)

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber


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)

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 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.

References