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prionPRIOn knowledge basePRION:CVE-2022-41860
HistoryJan 17, 2023 - 6:15 p.m.

Null pointer dereference

2023-01-1718:15:00
PRIOn knowledge base
www.prio-n.com
9
freeradius
eap-sim
supplicant
unknown sim option
internal dictionaries
null pointer
dereference
server crash

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

39.0%

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.

CPENameOperatorVersion
freeradiusge0.9.3
freeradiusle3.0.25