SB2017050303 - Denial of service in Cisco Wide Area Application Services
Published: May 3, 2017
Security Bulletin ID
SB2017050303
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Denial of service (CVE-ID: CVE-2017-6628)
The vulnerability alows a remote attacker to cause DoS condition on the target system.The weakness exists due to a Secure Sockets Layer/Transport Layer Security (SSL/TLS) alert being incorrectly handled in a specific SSL/TLS connection state. A remote attacker can establish a SMART-SSL connection through the targeted device, send a specially crafted stream of SSL/TLS traffic and cause the WAN optimization to stop functioning while the process restarts.
Successful exploitation of the vulnerability may result in denial of service.
Remediation
Install update from vendor's website.