CVE-2011-1407 Code injection in n/a
Remote attackers can execute arbitrary code or access the filesystem in Exim mail servers by exploiting a flaw in DKIM identity matching.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-1407?
CVE-2011-1407 is a high-severity code injection vulnerability in Exim Exim, published on 16 May 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The DKIM implementation in Exim 4.7x before 4.76 permits matching for DKIM identities to apply to lookup items, instead of only strings, which allows remote attackers to execute arbitrary code or access a filesystem via a crafted identity.
Weakness: CWE-20
Which versions are affected by CVE-2011-1407?
It affects 1 product.
Products include Exim Exim.
How do I fix CVE-2011-1407?
Upgrade to a fixed version.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2011-1407 being exploited?
There is no known exploitation of CVE-2011-1407 in the wild and no public exploit code.
Other vulnerabilities in Exim Exim
Sources
Also known as DEBIAN-CVE-2011-1407, DSA-2236-1, GHSA-pq5j-h89p-xfxj.