CVE-2023-34048 VMware vCenter Server Out-of-Bounds Write
A remote attacker can trigger an out-of-bounds write in vCenter Server's DCERPC implementation to achieve remote code execution.
- Exploited in the wild
- Since 22 Jan 2024
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-34048?
CVE-2023-34048 is a critical memory corruption vulnerability in Vmware Vcenter Server, published on 25 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bounds write potentially leading to remote code execution.
Weakness: CWE-787
Which versions are affected by CVE-2023-34048?
It affects 1 product.
Products include Vmware Vcenter Server.
How do I fix CVE-2023-34048?
No fix has been published for CVE-2023-34048 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 12 Feb 2024.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-34048 being exploited?
Yes. Attackers have exploited CVE-2023-34048 in the wild since at least 22 Jan 2024.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Vmware Vcenter Server
Sources
Also known as GHSA-87j2-5g9j-7jmv.