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OpenAdvisories
High ALAS2-2024-2625 1 CVE

Important: bind security update (Amazon Linux 2)

Published Aug 14, 2024 · Updated Aug 20, 2024

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2023-4408: The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected `named` instance by exploiting this flaw. This issue affects both authoritative servers and recursive resolvers. This issue affects BIND 9 versions 9.0.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

Fixed packages 17

ReleasePackageFixed in
Amazon Linux · 2 bind 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-chroot 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-debuginfo 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-devel 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-export-devel 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-export-libs 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-libs 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-libs-lite 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-license 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-lite-devel 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-pkcs11 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-pkcs11-devel 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-pkcs11-libs 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-pkcs11-utils 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-sdb 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-sdb-chroot 32:9.11.4-26.P2.amzn2.13.8
Amazon Linux · 2 bind-utils 32:9.11.4-26.P2.amzn2.13.8

Vulnerabilities 1

  • High 7.5
    CVE-2023-4408

    Parsing large DNS messages may cause excessive CPU load

    The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected `named` instance by ex…

    ISC BIND 9 bind9 bind9 Debian Ubuntu Azure Linux Alpine Wolfi

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2023-4408.html