Home/CVE/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.G
CVE

CVE-2022-43677

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.G

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.

MEDIUM · CVSS 5.5 EPSS 0.00056
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
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Affected Products & Versions

1
free5gcall versions
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Affected Packages

2
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/free5gc/aper
Go github.com/free5gc/free5gc MODERATE
⚠

Public Exploits & PoCs

1
pocgithub.com · issues/402github.com
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Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Oct 2022 · 02:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.trendmicro.com/en_us/research/23/j/asn1-vulnerabilities-in-5g-cores.html
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