CVE-2019-11390: 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-933-APPLICATION-ATTACK-PHP.conf allows remote attackers to cause a denial of service (ReDOS) by entering a specially crafted string with seterrorhandler# at the beginning and 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·01:16 AM
Data Sourced
via MITRE·01:16 AM
Description
Disputed
02:29 AM
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Frequently Asked Questions

1

What is the severity of CVE-2019-11390?

CVE-2019-11390 is classified as a denial of service vulnerability that can affect the availability of the application.

2

How do I fix CVE-2019-11390?

To fix CVE-2019-11390, upgrade to a later version of the OWASP ModSecurity Core Rule Set that is greater than 3.1.0.

3

What software is affected by CVE-2019-11390?

CVE-2019-11390 impacts the OWASP ModSecurity Core Rule Set versions up to and including 3.1.0.

4

What are the potential impacts of CVE-2019-11390?

The potential impact of CVE-2019-11390 includes the possibility of remote attackers causing a denial of service through specially crafted inputs.

5

Is CVE-2019-11390 a known issue?

Yes, CVE-2019-11390 is a reported issue and has been discussed in multiple issue trackers related to OWASP ModSecurity.

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