CVE-2016-4002 Memory corruption in n/a
Remote attackers can cause denial of service or execute arbitrary code via oversized packets in QEMU's MIPS network emulation when large packets are 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-2016-4002?
CVE-2016-4002 is a critical memory corruption vulnerability in Canonical Ubuntu Linux, published on 26 Apr 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer overflow in the mipsnet_receive function in hw/net/mipsnet.c in QEMU, when the guest NIC is configured to accept large packets, allows remote attackers to cause a denial of service (memory corruption and QEMU crash) or possibly execute arbitrary code via a packet larger than 1514 bytes.
Weakness: CWE-120
Which versions are affected by CVE-2016-4002?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Qemu Qemu.
How do I fix CVE-2016-4002?
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-2016-4002 being exploited?
There is no known exploitation of CVE-2016-4002 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2016-4002, GHSA-7ff7-8hxh-9hrr, UBUNTU-CVE-2016-4002.