Net-SNMP up to 5.9.1 OID nsVacmAccessTable null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Net-SNMP up to 5.9.1. The impacted element is the function nsVacmAccessTable of the component OID Handler. Such manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2022-24810. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Net-SNMP up to 5.9.1 (Network Management Software) and classified as problematic. Affected by this issue is the function nsVacmAccessTable of the component OID Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

net-snmp provides various tools relating to the Simple Network Management Protocol. Prior to version 5.9.2, a user with read-write credentials can use a malformed OID in a SET to the nsVacmAccessTable to cause a NULL pointer dereference. 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.

The weakness was published 12/07/2023. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2022-24810 since 02/10/2022. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 207850 (RHEL 9 : net-snmp (RHSA-2024:7260)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.9.2 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (207850). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 207850
Nessus Name: RHEL 9 : net-snmp (RHSA-2024:7260)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Net-SNMP 5.9.2

Timelineinfo

02/10/2022 🔍
12/07/2023 +665 days 🔍
12/07/2023 +0 days 🔍
02/11/2025 +432 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2022-24810 (🔍)
GCVE (CVE): GCVE-0-2022-24810
GCVE (VulDB): GCVE-100-247100

Entryinfo

Created: 12/07/2023 02:06
Updated: 02/11/2025 01:22
Changes: 12/07/2023 02:06 (41), 09/28/2024 01:36 (17), 02/11/2025 01:22 (22)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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