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Category:   Device (Embedded Server/Appliance)  >   Cisco Web Security Appliance Vendors:   Cisco
Cisco Web Security Appliance Bug in Web Proxy Framework Lets Remote Users Deny Service
SecurityTracker Alert ID:  1035163
SecurityTracker URL:  http://securitytracker.com/id/1035163
CVE Reference:   CVE-2016-1288   (Links to External Site)
Date:  Mar 2 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to versions 8.5.3-051, 9.0.0-485
Description:   A vulnerability was reported in Cisco Web Security Appliance. A remote user can cause denial of service conditions on the target system.

A remote user on the trusted network can send specially crafted HTTPS packets through the target device to exploit a flaw in the web proxy framework and cause the target device to temporarily drop all requests traversing the device.

The device will return to normal operations automatically.

The vendor has assigned bug ID CSCuu24840 to this vulnerability.

Impact:   A remote user can cause the target device to temporarily drop all requests traversing the device.
Solution:   The vendor has issued a fix (8.5.3-051, 9.0.0-485).

The vendor's advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160302-wsa

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160302-wsa (Links to External Site)
Cause:   State error

Message History:   None.


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