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
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* 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
- 2024-01-31 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-754: Improper Check for Unusual or Exceptional Conditions
CAPEC
- CAPEC-540: Overread Buffers
References (4)
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://support.zabbix.com/browse/ZBX-23855 | 2024-01-24 |
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
| ||||||