SB2026021820 - Multiple vulnerabilities in IBM Aspera Enterprise WebApps

Description

This security bulletin contains information about 3 vulnerabilities.

1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2025-66567)

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 process. 

The vulnerability exists due to improper input validation when parsing XML input. A remote attacker can execute a Signature Wrapping attack and bypass authentication process.

Note, the vulnerability exists due to an incomplete fix for #VU105688 (CVE-2025-25292).

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) Improper verification of cryptographic signature (CVE-ID: CVE-2025-66568)

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. 

The vulnerability exists due to a libxml2 canonicalization error when handling invalid XML input. A remote attacker can supply specially crafted XML data to the application and execute a Signature Wrapping attack, leading to authentication bypass. 

Remediation

Install update from vendor's website.

References

• https://www.ibm.com/support/pages/node/7260997