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CVE-2022-41860

Good to know:

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Date: January 17, 2023

In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server will try to look that option up in the internal dictionaries. This lookup will fail, but the SIM code will not check for that failure. Instead, it will dereference a NULL pointer, and cause the server to crash.

Language: C

Severity Score

Related Resources (7)

https://freeradius.org/security/
https://nvd.nist.gov/vuln/detail/CVE-2022-41860
https://access.redhat.com/security/cve/CVE-2022-41860
https://security-tracker.debian.org/tracker/CVE-2022-41860
https://github.com/FreeRADIUS/freeradius-server/commit/f1cdbb33ec61c4a64a
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-41860
https://www.mend.io/vulnerability-database/CVE-2022-41860

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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