CVE-2016-2147 Integer overflow in n/a
Remote attackers can crash the BusyBox DHCP client by sending a malformed domain name, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-2147?
CVE-2016-2147 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 9 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Integer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to cause a denial of service (crash) via a malformed RFC1035-encoded domain name, which triggers an out-of-bounds heap write.
Weakness: CWE-190
Which versions are affected by CVE-2016-2147?
It affects 3 products.
Products include Busybox Busybox, Canonical Ubuntu Linux, Debian Debian Linux.
How do I fix CVE-2016-2147?
Upgrade to a fixed version.
Is CVE-2016-2147 being exploited?
There is no known exploitation of CVE-2016-2147 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2016-2147, DEBIAN-CVE-2016-2147, GHSA-3wxp-8cgp-vmq4, UBUNTU-CVE-2016-2147.