CVE-2022-43677: Github.com/free5gc/free5gc Free5GC Vulnerable To Malformed NGAP Vulnerability
MODERATECVE-2022-43677 is a MODERATE (CVSS 5.5) free5gc vulnerable to malformed ngap vulnerability (General Security Weakness) affecting Github.com/free5gc/free5gc libraries in the Go ecosystem. The issue involves free5gc vulnerable to malformed ngap message crashing the amf and ngap decoders. Remediation is available in the latest vendor maintenance releases.
CVE-2022-43677 at a Glance
Security Impact
CVSS: 5.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).
How to Fix CVE-2022-43677
To remediate this vulnerability, upgrade all affected Github.com/free5gc/free5gc dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/free5gc/free5gc to Latest secure releaseRun the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/free5gc/free5gcHow to Check if You Are Affected
To determine whether your application is affected by CVE-2022-43677, inspect your project dependencies for Github.com/free5gc/free5gc:
inspect dependencies for github.com/free5gc/free5gcAnalyze the terminal output to locate any version of Github.com/free5gc/free5gc in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under General Security Weakness. In Github.com/free5gc/free5gc, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2022-43677 Affected Github.com/free5gc/free5gc Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/free5gc/free5gc
|
Go |
≤ 3.2.1
|
|
References
Frequently Asked Questions
What is CVE-2022-43677?
Which Github.com/free5gc/free5gc versions are affected?
What version fixes CVE-2022-43677?
Is github.com/free5gc/free5gc affected?
What is the CVSS score of CVE-2022-43677?
What CWE is associated with CVE-2022-43677?
How can I check Go dependencies for CVE-2022-43677?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-59hj-62f5-fgmc",
"modified" : "2022-10-25T19:59:37Z",
"published" : "2022-10-24T19:00:24Z",
"aliases" : [ "CVE-2022-43677" ],
"summary" : "free5GC vulnerable to malformed NGAP message crashing the AMF and NGAP decoders",
"details" : "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`.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/free5gc/free5gc"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"last_affected" : "3.2.1"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-43677"
}, {
"type" : "WEB",
"url" : "https://github.com/free5gc/free5gc/issues/402"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/free5gc/free5gc"
}, {
"type" : "WEB",
"url" : "https://pkg.go.dev/vuln/GO-2022-1083"
} ],
"database_specific" : {
"cwe_ids" : [ ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2022-10-25T19:59:37Z",
"nvd_published_at" : "2022-10-24T14:15:00Z"
}
}