CVE-2018-17161 Memory corruption in FreeBSD
A stack buffer overflow in FreeBSD's bootpd allows remote attackers to cause denial of service or execute arbitrary code via crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-17161?
CVE-2018-17161 is a critical memory corruption vulnerability in Freebsd Freebsd, published on 3 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In FreeBSD before 11.2-STABLE(r348229), 11.2-RELEASE-p7, 12.0-STABLE(r342228), and 12.0-RELEASE-p1, insufficient validation of network-provided data in bootpd may make it possible for a malicious attacker to craft a bootp packet which could cause a stack buffer overflow. It is possible that the buffer overflow could lead to a Denial of Service or remote code execution.
Weakness: CWE-119
Which versions are affected by CVE-2018-17161?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2018-17161?
No fix has been published for CVE-2018-17161 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-17161 being exploited?
There is no known exploitation of CVE-2018-17161 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-84wx-rw6h-3h88.