CVE-2019-11390

Public Exploit

Description

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 set_error_handler# 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

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.51%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1358 issue tracking third party advisory
https://github.com/SpiderLabs/owasp-modsecurity-crs/issues/1372 issue tracking exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-11390?
CVE-2019-11390 has been scored as a medium severity vulnerability.
How to fix CVE-2019-11390?
To fix CVE-2019-11390, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11390 being actively exploited in the wild?
It is possible that CVE-2019-11390 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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