Stack-based Buffer Overflow Affecting bind-chroot package, versions <32:9.16.42-1.amzn2023.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.08% (35th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-AMZN2023-BINDCHROOT-5788486
  • published20 Jul 2023
  • disclosed21 Jun 2023

Introduced: 21 Jun 2023

CVE-2023-2911  (opens in a new tab)
CWE-121  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 bind-chroot to version 32:9.16.42-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2023-240.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bind-chroot package and not the bind-chroot package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

If the recursive-clients quota is reached on a BIND 9 resolver configured with both stale-answer-enable yes; and stale-answer-client-timeout 0;, a sequence of serve-stale-related lookups could cause named to loop and terminate unexpectedly due to a stack overflow. This issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.

CVSS Scores

version 3.1