DNS: Microsoft Windows DNS Server CVE-2021-26877 Buffer Overflow
This signature detects attempts to exploit a known vulnerability against Microsoft Windows DNS Server. A successful attack can lead to arbitrary code execution.
Extended Description
Windows DNS Server Remote Code Execution Vulnerability
Affected Products
Microsoft windows_server_2008
References
CVE: CVE-2021-26877
Short Name
DNS:OVERFLOW:CVE-2021-26877-BO
Severity
Critical
Recommended
True
Recommended Action
Drop
Category
DNS
Keywords
Buffer CVE-2021-26877 DNS Microsoft Overflow Server Windows
Release Date
03/05/2021
Supported Platforms
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3665
False Positive
Unknown
Vendors
Microsoft
CVSS Score
7.5