Bug 1879588 (CVE-2020-15598)

Summary: CVE-2020-15598 libmodsecurity: specially crafted payload could result in a DoS
Product: [Other] Security Response Reporter: Michael Kaplan <mkaplan>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED UPSTREAM QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: athmanem, dridi.boukelmoune
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Last Closed: 2020-09-16 20:41:04 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 1879589, 1879590    
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Description Michael Kaplan 2020-09-16 15:01:50 UTC
ModSecurity v3.0.x is affected by a Denial of Service vulnerability due to the
global matching of regular expressions. The combination of a non-anchored
regular expression and the ModSecurity “capture” action can be exploited via a
specially crafted payload.

Known Affected Software Configurations:

    ModSecurity v3.0.0
    ModSecurity v3.0.1
    ModSecurity v3.0.2
    ModSecurity v3.0.3
    ModSecurity v3.0.4 (patch for this version available

Comment 1 Michael Kaplan 2020-09-16 15:01:54 UTC
External References:

https://coreruleset.org/20200914/cve-2020-15598/

Comment 2 Michael Kaplan 2020-09-16 15:02:13 UTC
Created libmodsecurity tracking bugs for this issue:

Affects: epel-7 [bug 1879590]
Affects: fedora-all [bug 1879589]

Comment 3 Product Security DevOps Team 2020-09-16 20:41:04 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.