SB2018071025 - Security restrictions bypass in Microsoft Research JavaScript Cryptography Library
Published: July 10, 2018
Security Bulletin ID
SB2018071025
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2018-8319)
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists in MSR JavaScript Cryptography Library due to incorrect arithmetic computations. A remote unauthenticated attacker can craft a signature, without the need of the corresponding key, and mimic the entity associated with the public/private key pair to bypass security restrictions.
Remediation
Install update from vendor's website.