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Category:   OS (Microsoft)  >   Windows DLL (Any) Vendors:   Microsoft
Microsoft Research JavaScript Cryptography Library Lets Remote Users Bypass Security Restrictions on the Target System
SecurityTracker Alert ID:  1041268
SecurityTracker URL:  http://securitytracker.com/id/1041268
CVE Reference:   CVE-2018-8319   (Links to External Site)
Date:  Jul 10 2018
Impact:   Modification of authentication information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7, 8, 10
Description:   A vulnerability was reported in Microsoft Research JavaScript Cryptography Library. A remote user can bypass security controls on the target system.

The system performs incorrect arithmetic computations. A remote user can exploit to create a specially crafted signature and impersonate an entity associated with a public/private key pair.

Jonathan Burns of Ionic Security, Colin McRae of Ionic Security, and Ryan Speers of Ionic Security reported this vulnerability.

Impact:   A remote user can impersonate an entity associated with a public/private key pair.
Solution:   The vendor has issued a fix.

The Microsoft advisories are available at:

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8319

Vendor URL:  portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8319 (Links to External Site)
Cause:   Authentication error

Message History:   None.


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