CVE-2025-49600
Description
A flaw was found in mbedtls. The mbedtls_lms_verify function may accept forged Leighton-Micali signatures when hash computation fails and internal error conditions are not properly checked. This flaw allows an attacker with physical access to create invalid signatures. This issue occurs because return values from hash computations are not validated, potentially bypassing signature verification. Consequently, an attacker can forge signatures without authentication or authorization.
Statement
Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Understanding the Weakness (CWE)
Access Control
Technical Impact: Bypass Protection Mechanism
Confidentiality,Integrity
Technical Impact: Read Application Data; Modify Application Data
Accountability,Non-Repudiation
Technical Impact: Hide Activities
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.
