PT-2023-8401 · Unknown+5 · Dns Server+5

Catenacyber + 1 · Published 2023-12-18 · Updated 2024-10-03 · CVE-2023-32726

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions DNS server (affected versions not specified)

Description The issue is caused by an improper check for RDLENGTH overflow in the buffer in response from the DNS server. This can lead to a buffer overflow. The vulnerability is related to insufficient checking of exceptional states in the DNS Response Handler component.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Check for Exceptional Conditions

Weakness Enumeration

CWE-754

Related Identifiers

ALT-PU-2024-1355

ALT-PU-2024-1356

ALT-PU-2024-1565

ALT-PU-2024-3075

ALT-PU-2024-3077

ALT-PU-2024-3365

BDU:2024-00645

CVE-2023-32726

DLA-3717-1

DLA-3909-1

Affected Products

Alt Linux

Astra Linux

Dns Server

Debian

Red Os

Zabbix

References · 23

• https://ubuntu.com/security/CVE-2023-32726 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3717-1 · Vendor Advisory
• https://support.zabbix.com/browse/ZBX-23855 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-32726 · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/UMFKNV5E4LG2DIZNPRWQ2ENH75H6UEQT · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-32726 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-32726 · Security Note
• http://repo.red-soft.ru/redos/7.3c/x86_64/updates · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-32726 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2024-0830SE17 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-00645 · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/BYSYLA7VTHR25CBLYO5ZLEJFGU7HTHQB · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-32726 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3909-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2024-1031SE47 · Vendor Advisory