FreeRADIUS Server SIM Option eapsimlib.c null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.67

Summaryinfo

A vulnerability categorized as problematic has been discovered in FreeRADIUS Server. Affected by this issue is some unknown functionality of the file src/modules/rlm_eap/libeap/eapsimlib.c of the component SIM Option Handler. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2022-41860. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FreeRADIUS Server (Network Authentication Software) (affected version unknown). Affected by this issue is an unknown functionality of the file src/modules/rlm_eap/libeap/eapsimlib.c of the component SIM Option 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.

The weakness was shared 12/30/2022. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-41860 since 09/30/2022. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 236561 (Alibaba Cloud Linux 3 : 0087: freeradius:3.0 (ALINUX3-SA-2023:0087)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the vulnerability database at Tenable (236561). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD 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: 236561
Nessus Name: Alibaba Cloud Linux 3 : 0087: freeradius:3.0 (ALINUX3-SA-2023:0087)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: github.com
Patch: github.com

Timelineinfo

09/30/2022 🔍
12/30/2022 +91 days 🔍
12/30/2022 +0 days 🔍
05/21/2025 +873 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2022-41860 (🔍)
GCVE (CVE): GCVE-0-2022-41860
GCVE (VulDB): GCVE-100-217064

Entryinfo

Created: 12/30/2022 15:16
Updated: 05/21/2025 21:20
Changes: 12/30/2022 15:16 (41), 01/26/2023 09:53 (1), 01/26/2023 09:54 (11), 04/08/2025 01:24 (16), 05/21/2025 21:20 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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