The IronPort Spam Quarantine (ISQ) component in the web framework in IronPort AsyncOS on Cisco Email Security Appliance devices before 7.1.5-106 and 7.3, 7.5, and 7.6 before 7.6.3-019 and Content Security Management Appliance devices before 7.9.1-102 and 8.0 before 8.0.0-404 allows remote attackers to cause a denial of service (service crash or hang) via a high rate of TCP connection attempts, aka Bug IDs CSCzv25573 and CSCzv81712.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ironport_asyncos | Cisco | * | 7.1.5 (including) |
| Ironport_asyncos | Cisco | 7.3 (including) | 7.3 (including) |
| Ironport_asyncos | Cisco | 7.5 (including) | 7.5 (including) |
| Ironport_asyncos | Cisco | 7.6 (including) | 7.6 (including) |
| Ironport_asyncos | Cisco | 7.9 (including) | 7.9 (including) |
| Ironport_asyncos | Cisco | 8.0 (including) | 8.0 (including) |
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130626-esa
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130626-sma
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130626-esa
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130626-sma