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AUSCERT External Security Bulletin Redistribution
ESB-2024.1468
USN-6682-1: Puma vulnerabilities
8 March 2024
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AusCERT Security Bulletin Summary
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Product: Puma
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2023-40175 CVE-2024-21647 CVE-2020-11077
CVE-2020-11076 CVE-2022-24790 CVE-2022-23634
Original Bulletin:
https://ubuntu.com/security/notices/USN-6682-1
Comment: CVSS (Max): 9.8 CVE-2023-40175 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: Ubuntu
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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USN-6682-1: Puma vulnerabilities
7 March 2024
Several security issues were fixed in Puma.
Releases
o Ubuntu 22.04 LTS
o Ubuntu 20.04 LTS
Packages
o puma - threaded HTTP 1.1 server for Ruby/Rack applications
Details
ZeddYu Lu discovered that Puma incorrectly handled parsing certain headers.
A remote attacker could possibly use this issue to perform an HTTP Request
Smuggling attack. This issue only affected Ubuntu 20.04 LTS.
( CVE-2020-11076 )
It was discovered that Puma incorrectly handled parsing certain headers.
A remote attacker could possibly use this issue to perform an HTTP Request
Smuggling attack. This issue only affected Ubuntu 20.04 LTS.
( CVE-2020-11077 )
Jean Boussier discovered that Puma might not always release resources
properly after handling HTTP requests. A remote attacker could possibly
use this issue to read sensitive information. ( CVE-2022-23634 )
It was discovered that Puma incorrectly handled certain malformed headers.
A remote attacker could use this issue to perform an HTTP Request Smuggling
attack. ( CVE-2022-24790 )
Ben Kallus discovered that Puma incorrectly handled parsing certain headers.
A remote attacker could use this issue to perform an HTTP Request Smuggling
attack. ( CVE-2023-40175 )
Bartek Nowotarski discovered that Puma incorrectly handled parsing certain
encoded content. A remote attacker could possibly use this to cause a
denial of service. ( CVE-2024-21647 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 22.04
o puma - 5.5.2-2ubuntu2+esm1
Available with Ubuntu Pro
Ubuntu 20.04
o puma - 3.12.4-1ubuntu2+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
o CVE-2024-21647
o CVE-2020-11076
o CVE-2023-40175
o CVE-2020-11077
o CVE-2022-23634
o CVE-2022-24790
Related notices
o USN-6597-1 : puma
o USN-6399-1 : puma
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