CVE-2018-13296 Denial of service in MailPlus Server
Remote attackers can cause denial of service in Synology MailPlus Server via TLS client-initiated renegotiation due to uncontrolled resource consumption.
- 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-2018-13296?
CVE-2018-13296 is a high-severity denial of service vulnerability in Synology MailPlus Server, published on 1 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Uncontrolled resource consumption vulnerability in TLS configuration in Synology MailPlus Server before 2.0.5-0606 allows remote attackers to conduct denial-of-service attacks via client-initiated renegotiation.
Weakness: CWE-400
Which versions are affected by CVE-2018-13296?
It affects 1 product.
Products include Synology Mailplus Server.
How do I fix CVE-2018-13296?
No fix has been published for CVE-2018-13296 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-2018-13296 being exploited?
There is no known exploitation of CVE-2018-13296 in the wild and no public exploit code.
Other vulnerabilities in Synology MailPlus Server
Sources
Also known as GHSA-pc3x-m8h3-2f55.