CVE-2018-17540 Memory corruption in n/a
A buffer overflow in strongSwan's gmp plugin allows attackers to execute arbitrary code or cause denial of service via a crafted certificate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-17540?
CVE-2018-17540 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 3 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The gmp plugin in strongSwan before 5.7.1 has a Buffer Overflow via a crafted certificate.
Weakness: CWE-119
Which versions are affected by CVE-2018-17540?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Strongswan Strongswan.
How do I fix CVE-2018-17540?
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-2018-17540 being exploited?
There is no known exploitation of CVE-2018-17540 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2018-17540, DEBIAN-CVE-2018-17540, DLA-1528-1, DSA-4309-1, GHSA-7wxf-w2jw-5jhr, UBUNTU-CVE-2018-17540 and 1 more.