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CVE-2022-43677

Date: October 23, 2022

In free5GC 3.2.1, a malformed NGAP message can crash the AMF and NGAP decoders via an index-out-of-range panic in aper.GetBitString.

Language: Go

Severity Score

Related Resources (6)

https://www.trendmicro.com/en_us/research/23/j/asn1-vulnerabilities-in-5g-cores.html
https://pkg.go.dev/vuln/GO-2022-1083
https://github.com/free5gc/free5gc/issues/402
https://github.com/free5gc/free5gc
https://nvd.nist.gov/vuln/detail/CVE-2022-43677
https://www.mend.io/vulnerability-database/CVE-2022-43677

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

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

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