CVE-2019-11388: Medium severity owasp modsecurity core rule set vulnerability

Published Apr 21, 2019
·
Updated

DISPUTED 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.

Affected Software

1 affected component
ModSecurity OWASP ModSecurity Core Rule Set<=3.1.0

Event History

Apr 21, 2019
CVE Published
via MITRE·01:15 AM
Data Sourced
via MITRE·01:15 AM
Description
Disputed
02:29 AM
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Frequently Asked Questions

1

What is the severity of CVE-2019-11388?

CVE-2019-11388 is classified as a medium severity vulnerability due to its potential to cause denial of service through crafted input.

2

How do I fix CVE-2019-11388?

To mitigate CVE-2019-11388, update to a version of OWASP ModSecurity Core Rule Set that is higher than 3.1.0.

3

What type of attack does CVE-2019-11388 allow?

CVE-2019-11388 allows for remote denial of service (ReDOS) attacks by exploiting nested repetition operators in regex patterns.

4

Which versions of OWASP ModSecurity Core Rule Set are affected by CVE-2019-11388?

CVE-2019-11388 affects versions of OWASP ModSecurity Core Rule Set up to and including 3.1.0.

5

Is CVE-2019-11388 a confirmed issue?

CVE-2019-11388 is marked as disputed, indicating there may be ongoing discussions regarding its impact or validity.

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