CVE-2017-13673 Denial of service in n/a
A flaw in QEMU's VGA emulation allows a guest to cause a denial of service via an assertion failure when split screen mode is active.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-13673?
CVE-2017-13673 is a medium-severity denial of service vulnerability in Qemu Qemu, published on 29 Aug 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The vga display update in mis-calculated the region for the dirty bitmap snapshot in case split screen mode is used causing a denial of service (assertion failure) in the cpu_physical_memory_snapshot_get_dirty function.
Weakness: CWE-617
Which versions are affected by CVE-2017-13673?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2017-13673?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-13673 being exploited?
There is no known exploitation of CVE-2017-13673 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2017-13673, GHSA-pg5w-wp8p-gv59.