CVE-2018-5380 Memory corruption in bgpd
A buffer overflow in Quagga's BGP daemon allows attackers to cause a denial of service via crafted input.
- 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-2018-5380?
CVE-2018-5380 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 19 Feb 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Quagga BGP daemon (bgpd) prior to version 1.2.3 can overrun internal BGP code-to-string conversion tables used for debug by 1 pointer value, based on input.
Weakness: CWE-125
Which versions are affected by CVE-2018-5380?
It affects 4 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Quagga Quagga, Siemens Ruggedcom Rox Ii Firmware.
How do I fix CVE-2018-5380?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-5380 being exploited?
There is no known exploitation of CVE-2018-5380 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as CLSA-2026-1778881024, CLSA-2026-1779131341, CVE-2018-1000066, GHSA-265f-c4jh-jcfq, UBUNTU-CVE-2018-5380.