Cisco Adaptive Security Appliance Software denial of service | CVE-2022-20737
NAME
Cisco Adaptive Security Appliance Software denial of service
- Platforms Affected:
Cisco Adaptive Security Appliance Software 9.15
Cisco Adaptive Security Appliance Software 9.16
Cisco Adaptive Security Appliance Software 9.17 - Risk Level:
8.5 - Exploitability:
Unproven - Consequences:
Denial of Service
DESCRIPTION
Cisco Adaptive Security Appliance Software is vulnerable to a denial of service, caused by insufficient bounds checking when parsing specific HTTP authentication messages. By sending malicious traffic to an affected device acting as a VPN Gateway, a remote authenticated attacker could exploit this vulnerability to cause the device to reload or retrieve bytes from the device process memory.
CVSS 3.0 Information
- Privileges Required: Low
- User Interaction: None
- Scope: Changed
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: Low
- Integrity Impact: None
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Refer to Cisco Security Advisory cisco-sa-asa-ssl-vpn-heap-zLX3FdX for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ssl-vpn-heap-zLX3FdX - Reference Link:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20737
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