Bug 2222692 (CVE-2023-38200) - CVE-2023-38200 keylime: registrar is subject to a DoS against SSL connections
Summary: CVE-2023-38200 keylime: registrar is subject to a DoS against SSL connections
Keywords:
Status: NEW
Alias: CVE-2023-38200
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2222841 2222694 2228048
Blocks: 2222691
TreeView+ depends on / blocked
 
Reported: 2023-07-13 13:24 UTC by Zack Miele
Modified: 2023-09-12 10:10 UTC (History)
6 users (show)

Fixed In Version: keylime 7.5.0
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in Keylime. Due to their blocking nature, the Keylime registrar is subject to a remote denial of service against its SSL connections. This flaw allows an attacker to exhaust all available connections.
Clone Of:
Environment:
Last Closed:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:5080 0 None None None 2023-09-12 10:10:48 UTC

Description Zack Miele 2023-07-13 13:24:53 UTC 
The Keylime Registrar is subject to a DoS attack against it's SSL connections because they are blocking and a fairly simple attack could exhaust all of the available connections.

References:

https://github.com/keylime/keylime/pull/1421
Comment 2 TEJ RATHI 2023-07-14 05:31:01 UTC 
Created keylime tracking bugs for this issue:

Affects: fedora-all [bug 2222841]
Comment 3 errata-xmlrpc 2023-09-12 10:10:47 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:5080 https://access.redhat.com/errata/RHSA-2023:5080
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