CVE-2023-34335 Missing authorization in MegaRAC SPx
Unauthenticated attackers can write to host SPI flash, bypassing secure boot and causing integrity loss or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-34335?
CVE-2023-34335 is a high-severity missing authorization vulnerability in AMI MegaRAC_SPx, published on 12 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
AMI BMC contains a vulnerability in the IPMI handler, where an unauthenticated host is allowed to write to a host SPI flash, bypassing secure boot protections. An exploitation of this vulnerability may lead to a loss of integrity or denial of service.
Which versions are affected by CVE-2023-34335?
It affects 1 product.
Products include Ami Megarac Spx.
How do I fix CVE-2023-34335?
No fix has been published for CVE-2023-34335 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-34335 being exploited?
There is no known exploitation of CVE-2023-34335 in the wild and no public exploit code.
Sources
Also known as GHSA-gjh4-cqh2-hwv6.