(MS13-103) Vulnerability in ASP.NET SignalR Could Allow Elevation of Privilege (2905244)

  Severity: HIGH
  CVE Identifier: CVE-2013-5042
  Advisory Date: DEC 26, 2013

  DESCRIPTION

This security update resolves a privately reported vulnerability in ASP.NET SignalR. The vulnerability could allow elevation of privilege if an attacker reflects specially crafted JavaScript back to the browser of a targeted user.

  SOLUTION

  AFFECTED SOFTWARE AND VERSION

  • Microsoft Visual Studio Team Foundation Server 2013
  • ASP.NET SignalR 2.0.x
  • ASP.NET SignalR 1.1.x