Bug 2208934 (CVE-2023-23759) - CVE-2023-23759 fizz: CHECK failure leads to DoS
Summary: CVE-2023-23759 fizz: CHECK failure leads to DoS
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2023-23759
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: 2208935
Blocks: 2208484
TreeView+ depends on / blocked
 
Reported: 2023-05-22 06:33 UTC by Dhananjay Arunesh
Modified: 2023-05-22 11:11 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2023-05-22 11:11:28 UTC
Embargoed:

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Description Dhananjay Arunesh 2023-05-22 06:33:26 UTC 
There is a vulnerability in the fizz library prior to v2023.01.30.00 where a CHECK failure can be triggered remotely. This behavior requires the client supported cipher advertisement changing between the original ClientHello and the second ClientHello, crashing the process (impact is limited to denial of service).

References:
https://www.facebook.com/security/advisories/cve-2023-23759
https://github.com/facebookincubator/fizz/commit/8d3649841597bedfb6986c30431ebad0eb215265
Comment 1 Dhananjay Arunesh 2023-05-22 06:34:08 UTC 
Created fizz tracking bugs for this issue:

Affects: fedora-all [bug 2208935]
Comment 2 Product Security DevOps Team 2023-05-22 11:11:26 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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