A Security Framework for General Blockchain Layer 2 Protocols

Layer 2 L2 solutions are the cornerstone of blockchain scalability, enabling high-throughput and low-cost interactions by shifting execution off-chain while maintaining security through interactions with the underlying ledger. Despite their common goals, the principal L2 paradigms -- payment...

Mathematical impossibility in Modifier

Lines of code Vulnerability details Impact In the resolvable modifier, there is a mathematical check for disputeID disputeCount, and unless this is true, the modifier will revert. The default value of the variable disputeCount, which must be mathematically large, is 0 and its value is never...

Cisco Talos' new reputation dispute system

We know users have been waiting for this feature for a while, and we are here to say: It’s ready. Cisco Talos’ new reputation system rolled out Jan. 14 on TalosIntelligence.com. We have been working on this change since the rollout was initially announced this past summer. Starting today, all use...

CMS Cameron McKenna 2013 Cross Site Scripting Vunlerability

CMS Cameron McKenna 2013 suffers from a cross site scripting vulnerability. The vendor has been notified of this issue. Note that this advisory has site-specific information. Product: CMS Cameron McKenna Web:http://www.cms-cmck.com Versions: CMS 2013 Date: 25/04/2013 Vendor Notified: 24/04 - 25/0...