// For flags

CVE-2023-32726

Possible buffer overread from reading DNS responses

Severity Score

8.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The vulnerability is caused by improper check for check if RDLENGTH does not overflow the buffer in response from DNS server.

La vulnerabilidad se debe a una verificación incorrecta de si RDLENGTH no desborda el búfer en respuesta del servidor DNS.

*Credits: This vulnerability is found by Philippe Antoine (catenacyber) from HackerOne community.
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-05-11 CVE Reserved
  • 2023-12-18 CVE Published
  • 2024-08-02 CVE Updated
  • 2024-11-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-754: Improper Check for Unusual or Exceptional Conditions
CAPEC
  • CAPEC-540: Overread Buffers
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zabbix
Search vendor "Zabbix"
Zabbix-agent
Search vendor "Zabbix" for product "Zabbix-agent"
>= 5.0.0 <= 5.0.39
Search vendor "Zabbix" for product "Zabbix-agent" and version " >= 5.0.0 <= 5.0.39"
-
Affected
Zabbix
Search vendor "Zabbix"
Zabbix-agent
Search vendor "Zabbix" for product "Zabbix-agent"
>= 6.0.0 <= 6.0.23
Search vendor "Zabbix" for product "Zabbix-agent" and version " >= 6.0.0 <= 6.0.23"
-
Affected
Zabbix
Search vendor "Zabbix"
Zabbix-agent
Search vendor "Zabbix" for product "Zabbix-agent"
>= 6.4.0 <= 6.4.8
Search vendor "Zabbix" for product "Zabbix-agent" and version " >= 6.4.0 <= 6.4.8"
-
Affected
Zabbix
Search vendor "Zabbix"
Zabbix-agent
Search vendor "Zabbix" for product "Zabbix-agent"
7.0.0
Search vendor "Zabbix" for product "Zabbix-agent" and version "7.0.0"
alpha1
Affected
Zabbix
Search vendor "Zabbix"
Zabbix-agent
Search vendor "Zabbix" for product "Zabbix-agent"
7.0.0
Search vendor "Zabbix" for product "Zabbix-agent" and version "7.0.0"
alpha6
Affected