CVE-2017-6058 Memory corruption in n/a
Remote attackers can crash the QEMU process via a buffer overflow in the vmxnet3 device when VLAN stripping is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-6058?
CVE-2017-6058 is a high-severity memory corruption vulnerability in Qemu Qemu, published on 20 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer overflow in NetRxPkt::ehdr_buf in hw/net/net_rx_pkt.c in QEMU (aka Quick Emulator), when the VLANSTRIP feature is enabled on the vmxnet3 device, allows remote attackers to cause a denial of service (out-of-bounds access and QEMU process crash) via vectors related to VLAN stripping.
Weakness: CWE-120
Which versions are affected by CVE-2017-6058?
It affects 1 product.
Products include Qemu Qemu.
How do I fix CVE-2017-6058?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-6058 being exploited?
There is no known exploitation of CVE-2017-6058 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as DEBIAN-CVE-2017-6058, GHSA-3wcr-p8pv-4w4w.