SB2016062902 - Resource exhaustion in Cisco Web Security Appliance
Published: June 29, 2016 Updated: November 22, 2018
Security Bulletin ID
SB2016062902
CSH Severity
High
Patch available
NO
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 vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2016-1440)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to consume excessive CPU resources on the target system.
The vulnerability exists due to state error in Cisco Web Security Appliance. A remote unauthenticated attacker can consume excessive CPU resources on the target system by closing specially crafted FTP connections through the target system to trigger a flaw in the native pass-through FTP function.
Successful exploitation of this vulnerability may result in denial of vulnerable system
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.