CVE-2018-8319

A Security Feature Bypass vulnerability exists in MSR JavaScript Cryptography Library that is caused by incorrect arithmetic computations, aka MSR JavaScript Cryptography Library Security Feature Bypass Vulnerability. This affects Microsoft Research JavaScript Cryptography Library.

Weakness

The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management.

Affected Software

Potential Mitigations

• Use languages, libraries, or frameworks that make it easier to handle numbers without unexpected consequences.
• Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++).
• Use languages, libraries, or frameworks that make it easier to handle numbers without unexpected consequences.
• Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++).

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/128.html
• https://cwe.mitre.org/data/definitions/129.html

References

• http://www.securityfocus.com/bid/104655
• http://www.securitytracker.com/id/1041268
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8319