Reachable Assertion Affecting bind9.16-devel package, versions <32:9.16.23-0.7.el8_6.5


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.11% (45th percentile)

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  • Snyk IDSNYK-RHEL8-BIND916DEVEL-6526800
  • published3 Apr 2024
  • disclosed13 Feb 2024

Introduced: 13 Feb 2024

CVE-2023-5517  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade RHEL:8 bind9.16-devel to version 32:9.16.23-0.7.el8_6.5 or higher.
This issue was patched in RHSA-2024:1647.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bind9.16-devel package and not the bind9.16-devel package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A flaw in query-handling code can cause named to exit prematurely with an assertion failure when:

  • nxdomain-redirect &lt;domain&gt;; is configured, and
  • the resolver receives a PTR query for an RFC 1918 address that would normally result in an authoritative NXDOMAIN response. This issue affects BIND 9 versions 9.12.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

CVSS Scores

version 3.1