DNS: Microsoft Windows DNS Server Integer Overflow
This signature detects attempts to exploit a known vulnerability against Microsoft DNS server. A successful attack can lead to a Integer overflow and arbitrary remote code execution within the context of the LocalSystem.
Extended Description
A remote code execution vulnerability exists in Windows Domain Name System servers when they fail to properly handle requests, aka 'Windows DNS Server Remote Code Execution Vulnerability'.
Affected Products
Microsoft windows_server_2008
References
CVE: CVE-2021-26897
Short Name
DNS:OVERFLOW:MS-DNS-SER-INT-OV
Severity
Critical
Recommended
True
Recommended Action
Drop
Category
DNS
Keywords
CVE-2020-1350 CVE-2021-26897 DNS Integer Microsoft Overflow Server Windows
Release Date
07/14/2020
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3590
False Positive
Unknown
Vendors
Microsoft
CVSS Score
10.0