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OpenAdvisories
Medium ALAS2-2025-2822 1 CVE

Moderate: pcs security update (Amazon Linux 2)

Published Apr 9, 2025 · Updated Apr 16, 2025

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2025-27111: Rack is a modular Ruby web server interface. The Rack::Sendfile middleware logs unsanitised header values from the X-Sendfile-Type header. An attacker can exploit this by injecting escape sequences (such as newline characters) into the header, resulting in log injection. This vulnerability is fixed in 2.2.12, 3.0.13, and 3.1.11.

Fixed packages 3

ReleasePackageFixed in
Amazon Linux · 2 pcs 0:0.9.169-3.amzn2.3.0.4
Amazon Linux · 2 pcs-debuginfo 0:0.9.169-3.amzn2.3.0.4
Amazon Linux · 2 pcs-snmp 0:0.9.169-3.amzn2.3.0.4

Vulnerabilities 1

  • Medium 6.9
    CVE-2025-27111

    Escape Sequence Injection vulnerability in Rack lead to Possible Log Injection

    Rack is a modular Ruby web server interface. The Rack::Sendfile middleware logs unsanitised header values from the X-Sendfile-Type header. An attacker can exploit this by injecting escape sequences (such as newline characters) into the header, resulting in lo…

    rack rack rack ruby-rack Debian Ubuntu Wolfi RubyGems

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2025-27111.html