CVE-2006-3216 Denial of service in n/a
Remote attackers can cause denial of service in Clearswift MAILsweeper by sending malformed messages or triggering reverse DNS issues.
- 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-2006-3216?
CVE-2006-3216 is a medium-severity denial of service vulnerability in n/a, published on 24 Jun 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Clearswift MAILsweeper for SMTP before 4.3.20 and MAILsweeper for Exchange before 4.3.20 allows remote attackers to cause a denial of service via (1) non-ASCII characters in a reverse DNS lookup result from a Received header, which leads to a Receiver service stop, and (2) unspecified vectors involving malformed messages, which causes "unpredictable behavior" that prevents the Security service from processing more messages.
Which versions are affected by CVE-2006-3216?
It affects 2 products.
Products include Clearswift Mailsweeper for Exchange, Clearswift Mailsweeper for Smtp.
How do I fix CVE-2006-3216?
No fix has been published for CVE-2006-3216 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-2006-3216 being exploited?
There is no known exploitation of CVE-2006-3216 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-hm7g-g5vp-28g4.