TCP: VMWare ESXI Openslp Heap Overflow
This signature detects attempts to exploit a known vulnerability against VMWare ESXI Openslp. A successful attack can lead to a buffer overflow and arbitrary remote code execution within the context of the VMWare ESXI Openslp.
Extended Description
OpenSLP as used in ESXi (7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG) has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue in OpenSLP service resulting in remote code execution.
Affected Products
Vmware esxi
References
CVE: CVE-2021-21974
Short Name
TCP:C2S:VMWARE-ESXI-OVRF
Severity
Minor
Recommended
False
Recommended Action
Drop
Category
TCP
Keywords
CVE-2021-21974 ESXI Heap Openslp Overflow VMWare
Release Date
05/23/2023
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
3600
Port
TCP/427
False Positive
Unknown
Vendors
Vmware