USN-6682-1: Puma vulnerabilities
7 March 2024
Several security issues were fixed in Puma.
Releases
Packages
- 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
-
puma
-
5.5.2-2ubuntu2+esm1
Available with Ubuntu Pro
Ubuntu 20.04
-
puma
-
3.12.4-1ubuntu2+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
Related notices
- USN-6597-1: puma
- USN-6399-1: puma