Bug 1879588 (CVE-2020-15598) - CVE-2020-15598 libmodsecurity: specially crafted payload could result in a DoS
Summary: CVE-2020-15598 libmodsecurity: specially crafted payload could result in a DoS
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-15598
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1879589 1879590
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-09-16 15:01 UTC by Michael Kaplan
Modified: 2021-02-16 19:14 UTC (History)
2 users (show)

Fixed In Version:
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Last Closed: 2020-09-16 20:41:04 UTC
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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.
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