Cisco Catalyst SD-WAN Manager up to 20.1.1.1 vDaemon Service denial of service

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco Catalyst SD-WAN Manager. The impacted element is an unknown function of the component vDaemon Service. This manipulation causes denial of service. This vulnerability is tracked as CVE-2021-1466. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Cisco Catalyst SD-WAN Manager. Affected by this vulnerability is some unknown functionality of the component vDaemon Service. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

A vulnerability in the vDaemon service of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to cause a buffer overflow on an affected system, resulting in a denial of service (DoS) condition. The vulnerability is due to incomplete bounds checks for data that is provided to the vDaemon service of an affected system. An attacker could exploit this vulnerability by sending malicious data to the vDaemon listening service on the affected system. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected system, which could allow the attacker to cause the vDaemon listening service to reload and result in a DoS condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

The advisory is shared at sec.cloudapps.cisco.com. This vulnerability is known as CVE-2021-1466 since 11/13/2020. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Network Management Software

Vendor

• Cisco

Name

• Catalyst SD-WAN Manager

Version

• 17.2.4
• 17.2.5
• 17.2.6
• 17.2.7
• 17.2.8
• 17.2.9
• 17.2.10
• 18.2.0
• 18.3.0
• 18.3.1
• 18.3.1.1
• 18.3.3
• 18.3.3.1
• 18.3.4
• 18.3.5
• 18.3.6
• 18.3.6.1
• 18.3.7
• 18.3.8
• 18.4.0
• 18.4.0.1
• 18.4.1
• 18.4.3
• 18.4.4
• 18.4.302
• 18.4.303
• 19.0.0
• 19.0.1a
• 19.1.0
• 19.2.0
• 19.2.097
• 19.2.098
• 19.2.099
• 19.2.1
• 19.2.2
• 19.3.0
• 20.1.1
• 20.1.1.1

License

• commercial

Website

• Vendor: https://www.cisco.com/

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