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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.

🗓️ 25 Jan 2023 08:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Freeradius EAP-SIM crashes when an unknown SIM option is looked up, dereferencing a NULL pointer.

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25 Jan 2023 08:00Current
7.5High risk
Vulners AI Score7.5
CVSS 3.17.5
EPSS0.0038
SSVC
1