Vigil@nce - Cisco ASA: denial of service via SSL VPN and SharePoint
October 2014 by Vigil@nce
This bulletin was written by Vigil@nce : http://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can use SharePoint via the SSL VPN of Cisco ASA, in
order to trigger a denial of service.
Impacted products: ASA
Severity: 2/4
Creation date: 06/10/2014
DESCRIPTION OF THE VULNERABILITY
The Cisco ASA product implements a SSL VPN service.
When a SharePoint session is initiated, a handler is created.
However, it can overwrite a file in RAMFS, or inject a Lua script.
An attacker can therefore use SharePoint via the SSL VPN of Cisco
ASA, in order to trigger a denial of service.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
http://vigilance.fr/vulnerability/Cisco-ASA-denial-of-service-via-SSL-VPN-and-SharePoint-15446