CVE-2018-12558 Denial of service in n/a
An attacker can cause a denial of service in applications using the Perl Email::Address module by providing specially crafted input with form-field characters.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-12558?
CVE-2018-12558 is a high-severity denial of service vulnerability in n/a, published on 20 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The parse() method in the Email::Address module through 1.909 for Perl is vulnerable to Algorithmic complexity on specially prepared input, leading to Denial of Service. Prepared special input that caused this problem contained 30 form-field characters ("\f").
Weakness: CWE-407
Which versions are affected by CVE-2018-12558?
It affects 1 product.
Linux distribution packages (3)
perl-Email-Address SUSE:Package Hub 15 | All versions | 1.912-bp150.3.3.1 |
perl-Email-Address openSUSE:Leap 15.0 | All versions | 1.912-bp150.3.3.1 |
perl-Email-Address openSUSE:Tumbleweed | All versions | 1.913-1.1 |
Products include Email\ \.
How do I fix CVE-2018-12558?
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-2018-12558 being exploited?
There is no known exploitation of CVE-2018-12558 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as ALPINE-CVE-2018-12558, DEBIAN-CVE-2018-12558, GHSA-c2fh-m553-m5hp, MGASA-2019-0046, UBUNTU-CVE-2018-12558, openSUSE-SU-2019:1114-1 and 1 more.