CVE-2008-4907 Denial of service in n/a
Remote attackers can crash the Dovecot IMAP server by sending an email with a malformed From address, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2008-4907?
CVE-2008-4907 is a medium-severity denial of service vulnerability in Dovecot Dovecot, published on 4 Nov 2008. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The message parsing feature in Dovecot 1.1.4 and 1.1.5, when using the FETCH ENVELOPE command in the IMAP client, allows remote attackers to cause a denial of service (persistent crash) via an email with a malformed From address, which triggers an assertion error, aka "invalid message address parsing bug."
Weakness: CWE-20
Which versions are affected by CVE-2008-4907?
It affects 1 product.
Products include Dovecot Dovecot.
How do I fix CVE-2008-4907?
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-2008-4907 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2008-4907 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Dovecot Dovecot
Sources
Also known as DEBIAN-CVE-2008-4907, GHSA-cfr9-jq6w-r8wj.