CVE-2019-11388 Denial of service in n/a
Remote attackers can cause denial of service in OWASP ModSecurity Core Rule Set via ReDOS in RCE rules, though maintainers dispute exploitability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-11388?
CVE-2019-11388 is a medium-severity denial of service vulnerability in n/a, published on 21 Apr 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in OWASP ModSecurity Core Rule Set (CRS) through 3.1.0. /rules/REQUEST-932-APPLICATION-ATTACK-RCE.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with nested repetition operators. NOTE: the software maintainer disputes that this is a vulnerability because the issue cannot be exploited via ModSecurity
Weakness: CWE-400
Which versions are affected by CVE-2019-11388?
It affects 1 product.
Products include Modsecurity Owasp Modsecurity Core Rule Set.
How do I fix CVE-2019-11388?
Apply the vendor's patch.
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-2019-11388 being exploited?
There is no known exploitation of CVE-2019-11388 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-11388, GHSA-j45j-w7qv-7r59.