CVE-2013-4564 Denial of service in n/a
Remote attackers can crash Libreswan by sending malformed IKE packets with invalid length or version fields, 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
- None listed
What is CVE-2013-4564?
CVE-2013-4564 is a medium-severity denial of service vulnerability in n/a, published on 7 Jan 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Libreswan 3.6 allows remote attackers to cause a denial of service (crash) via a small length value and (1) no version or (2) an invalid major number in an IKE packet.
Weakness: CWE-189
Which versions are affected by CVE-2013-4564?
It affects 1 product.
Products include Libreswan Libreswan.
How do I fix CVE-2013-4564?
No fix has been published for CVE-2013-4564 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2013-4564 being exploited?
There is no known exploitation of CVE-2013-4564 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2013-7283 Race condition in n/a
- CVE-2026-12413 IKEv2 Denial of Service via malformed fragmentation
- CVE-2026-50721 IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload
- CVE-2026-50722 IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload
- CVE-2023-30570 Denial of service in n/a
Sources
Also known as GHSA-jg47-pq6h-vjmw.