cisco-sa-asa-ftd-sipdos-GGwmMerC: Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP Denial of Service Vulnerability
First published: Wed Apr 28 2021(Updated: )
A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a crash and reload of an affected device, resulting in a denial of service (DoS) condition.The vulnerability is due to a crash that occurs during a hash lookup for a SIP pinhole connection. An attacker could exploit this vulnerability by sending crafted SIP traffic through an affected device. A successful exploit could allow the attacker to cause a crash and reload of the affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-sipdos-GGwmMerC This advisory is part of the April 2021 Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: April 2021 Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication.
Credit: This vulnerability was found during the resolution a Cisco TAC support case
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco ASA Software | =9.15<9.15.1.15=9.14<9.14.2.13=9.13<9.13.1.21>=9.10<=9.12<9.12.4.18=9.9<9.9.2.85=9.8<9.8.4.34 | 9.15.1.15 9.14.2.13 9.13.1.21 9.12.4.18 9.9.2.85 9.8.4.34 |
| Cisco FTD Software | >=6.2.2=6.2.3=6.3.0<=6.4.0<6.4.0.12 (May 2021) | 6.4.0.12 (May 2021) |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Cisco ASA and FTD Software vulnerability?
The vulnerability ID for this Cisco ASA and FTD Software vulnerability is cisco-sa-asa-ftd-sipdos-GGwmMerC.
What is the severity rating of vulnerability cisco-sa-asa-ftd-sipdos-GGwmMerC?
The severity rating of vulnerability cisco-sa-asa-ftd-sipdos-GGwmMerC is high with a CVSS score of 8.6.
What is the affected software for vulnerability cisco-sa-asa-ftd-sipdos-GGwmMerC?
The affected software for vulnerability cisco-sa-asa-ftd-sipdos-GGwmMerC includes Cisco Adaptive Security Appliance (ASA) Software versions 9.8 to 9.15 and Cisco Firepower Threat Defense (FTD) Software versions 6.2.2 to 6.4.0.12.
How can an unauthenticated, remote attacker exploit vulnerability cisco-sa-asa-ftd-sipdos-GGwmMerC?
An unauthenticated, remote attacker can exploit vulnerability cisco-sa-asa-ftd-sipdos-GGwmMerC by causing a crash and reload of an affected device, resulting in a denial of service (DoS) condition.
How can I remediate vulnerability cisco-sa-asa-ftd-sipdos-GGwmMerC?
To remediate vulnerability cisco-sa-asa-ftd-sipdos-GGwmMerC, upgrade Cisco ASA Software to versions 9.15.1.15, 9.14.2.13, 9.13.1.21, 9.12.4.18, 9.9.2.85, or 9.8.4.34, and upgrade Cisco FTD Software to version 6.4.0.12 (May 2021).
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- canonical/cisco asa software
- version/cisco asa software/9.15
- version/cisco asa software/9.14
- version/cisco asa software/9.13
- version/cisco asa software/9.10
- version/cisco asa software/9.12
- version/cisco asa software/9.9
- version/cisco asa software/9.8
- canonical/cisco ftd software
- version/cisco ftd software/6.2.2
- version/cisco ftd software/6.2.3
- version/cisco ftd software/6.3.0
- version/cisco ftd software/6.4.0