CVE-2009-0770 Denial of service in n/a
Remote attackers can crash the DKIM milter service by sending messages signed with revoked DNS keys, 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
- Available
What is CVE-2009-0770?
CVE-2009-0770 is a medium-severity denial of service vulnerability in n/a, published on 3 Mar 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
dkim-milter 2.6.0 through 2.8.0 allows remote attackers to cause a denial of service (crash) by signing a message with a key that has been revoked in DNS, which triggers an assertion error.
Which versions are affected by CVE-2009-0770?
It affects 1 product.
Products include Dkim Dkim-Milter.
How do I fix CVE-2009-0770?
Upgrade to a fixed version.
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-2009-0770 being exploited?
There is no known exploitation of CVE-2009-0770 in the wild and no public exploit code.
Sources
Also known as DSA-1728-1, GHSA-85v8-w5rg-xpmj.