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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2022-41860
HistoryJan 17, 2023 - 6:15 p.m.

CVE-2022-41860

2023-01-1718:15:11
Alpine Linux Development Team
security.alpinelinux.org
6
freeradius
eap-sim
supplicant
server
crash
unix
vulnerability

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 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.

OSVersionArchitecturePackageVersionFilename
Alpine3.15-mainnoarchfreeradius< 3.0.26-r0UNKNOWN
Alpine3.16-mainnoarchfreeradius< 3.0.26-r0UNKNOWN

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

39.0%