CVE-2014-4720 Denial of service in n/a
Remote attackers can cause denial of service via CPU consumption in the Perl Email::Address module due to inefficient regular expressions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-4720?
CVE-2014-4720 is a medium-severity denial of service vulnerability in n/a, published on 6 Jul 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Email::Address module before 1.904 for Perl uses an inefficient regular expression, which allows remote attackers to cause a denial of service (CPU consumption) via vectors related to "backtracking into the phrase," a different vulnerability than CVE-2014-0477.
Which versions are affected by CVE-2014-4720?
It affects 1 product.
Products include Email\ \.
How do I fix CVE-2014-4720?
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-2014-4720 being exploited?
There is no known exploitation of CVE-2014-4720 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2014-4720, GHSA-6jmv-rp6j-xp29.