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CVE-2022-24805— net-snmp: A buffer overflow in the handling of the INDEX of NET-SNMP-VACM-MIB can cause an out-of-bounds memory access.

Quick assessment

Affected
net-snmp net-snmp
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Net-SNMP是一套开源的简单网络管理协议（Simple Network Management Protocol）软件。该软件用于监控网络设备、电脑设备、UPS设备等。 Net-SNMP 存在缓冲区错误漏洞，该漏洞源于 NET-SNMP-VACM-MIB 的 INDEX 处理中的缓冲区溢出可能导致内存访问越界。

CVSS 6.5 · Medium EPSS 1.30% · P68
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I. Basic Information for CVE-2022-24805

Vulnerability Information
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Vulnerability Title
net-snmp: A buffer overflow in the handling of the INDEX of NET-SNMP-VACM-MIB can cause an out-of-bounds memory access.
Source: CVE Program / CVE List V5
Vulnerability Description
net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a buffer overflow in the handling of the `INDEX` of `NET-SNMP-VACM-MIB` can cause an out-of-bounds memory access. A user with read-only credentials can exploit the issue. Version 5.9.2 contains a patch. Users should use strong SNMPv3 credentials and avoid sharing the credentials. Those who must use SNMPv1 or SNMPv2c should use a complex community string and enhance the protection by restricting access to a given IP address range.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Net-SNMP 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Net-SNMP是一套开源的简单网络管理协议（Simple Network Management Protocol）软件。该软件用于监控网络设备、电脑设备、UPS设备等。 Net-SNMP 存在缓冲区错误漏洞，该漏洞源于 NET-SNMP-VACM-MIB 的 INDEX 处理中的缓冲区溢出可能导致内存访问越界。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
net-snmp net-snmp 0 ~ 5.9.2 -

II. Public POCs for CVE-2022-24805

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III. Intelligence Information for CVE-2022-24805

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Patches & Fixes for CVE-2022-24805 (2)

Vendor Advisories for CVE-2022-24805 (4)

Mailing List Discussions for CVE-2022-24805 (2)

Same Patch Batch · net-snmp · 2024-04-16 · 6 CVEs total

CVE-2022-24806 6.5 MEDIUM net-snmp vulnerable to Improper Input Validation when SETing malformed OIDs in master agen
CVE-2022-24807 6.5 MEDIUM net-snmp: A malformed OID in a SET request to SNMP-VIEW-BASED-ACM-MIB::vacmAccessTable can
CVE-2022-24808 6.5 MEDIUM net-snmp: A malformed OID in a SET request to NET-SNMP-AGENT-MIB::nsLogTable can cause a N
CVE-2022-24809 6.5 MEDIUM net-snmp: A malformed OID in a SET request to NET-SNMP-AGENT-MIB::nsLogTable can cause a N
CVE-2022-24810 6.5 MEDIUM net-snmp: A malformed OID in a SET to the nsVacmAccessTable can cause a NULL pointer deref

IV. Related Vulnerabilities

Same product: net-snmp
Same vendor: net-snmp
Same weakness: CWE-120

V. Comments for CVE-2022-24805

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