CVE-2016-4454 Information disclosure in n/a
Local guest administrators can read host memory or crash QEMU via out-of-bounds read in VMware VGA emulation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4454?
CVE-2016-4454 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 1 Jun 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read.
Weakness: CWE-119
Which versions are affected by CVE-2016-4454?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Qemu Qemu.
How do I fix CVE-2016-4454?
Apply the vendor's patch.
Is CVE-2016-4454 being exploited?
There is no known exploitation of CVE-2016-4454 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2016-4454, GHSA-c789-6fqr-gr3m, UBUNTU-CVE-2016-4454.