Information disclosure in Puma - CVE-2022-23634

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Main Vulnerability Database Vulnerabilities #VU63635

Information disclosure in Puma - CVE-2022-23634

Published: May 25, 2022 / Updated: May 25, 2022


Vulnerability identifier: #VU63635
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-23634
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to puma may not always call close on the response body. A remote attacker can gain unauthorized access to sensitive information.


Affected software

Puma
puma (Debian package)
puma (Ubuntu package)
rubygem-puma-debuginfo
rubygem-puma-doc
rubygem-puma-debugsource
rubygem-puma
openEuler
Ubuntu
Fedora

How to mitigate CVE-2022-23634

Install updates from vendor's website.

Puma - addressed in versions 4.3.11, 5.6.2
puma (Debian package) - update to 4.3.8-1+deb11u2
puma (Ubuntu package) - update to Ubuntu Pro
rubygem-puma-debuginfo - addressed in versions 3.12.6-3, 5.5.2-2
rubygem-puma-doc - addressed in versions 3.12.6-3, 5.5.2-2
rubygem-puma-debugsource - addressed in versions 3.12.6-3, 5.5.2-2
rubygem-puma - addressed in versions 3.12.6-3, 5.5.2-2
rubygem-puma - addressed in versions 4.3.6-5.fc35, 5.5.2-3.fc36, 5.6.5-1.fc37, 5.6.5-1.fc38

External References

Related Security Bulletins