Vulnerability CVE-2023-2911: Information

Description

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.

Severity: HIGH (7.5) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Published: June 21, 2023
Modified: July 3, 2023
Error type identifier: CWE-787

Fixed packages

References to Advisories, Solutions, and Tools

    1. Configuration 1

      cpe:2.3:a:isc:bind:*:*:*:*:supported_preview:*:*:*
      Start including
      9.18.11
      End including
      9.18.15

      cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
      Start including
      9.18.7
      End including
      9.18.15

      cpe:2.3:a:isc:bind:*:*:*:*:supported_preview:*:*:*
      Start including
      9.16.33
      End including
      9.16.41

      cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
      Start including
      9.16.33
      End including
      9.16.41

      Configuration 2

      cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

      cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*

      cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

      cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

      Configuration 3

      cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

      cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*

      Configuration 4

      cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*

      Configuration 5

      cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*

      Running on/with:
      cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

      Configuration 6

      cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*

      Running on/with:
      cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

      Configuration 7

      cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*

      Running on/with:
      cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*

      Configuration 8

      cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*

      Running on/with:
      cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

      Configuration 9

      cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*

      Running on/with:
      cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*