CVE-2024-34476

View on CVE.org

Published May 4, 2024 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

Description

Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.513% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1
https://github.com/open5gs/open5gs/pull/3122

History

Apr 22, 2025 6:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Open5gs Open5gs open5gs
CPEs		cpe:2.3:a:open5gs:open5gs::::::::
Vendors & Products		Open5gs Open5gs open5gs

Subscriptions

Open5gs Open5gs

Weaknesses

CWE-805

Sources

CVE record Updated: Aug 2, 2024, 2:51 AM

Status: PUBLISHED
Assigner: mitre
Published: May 4, 2024, 12:00 AM
Updated: Aug 2, 2024, 2:51 AM
Reserved: May 4, 2024, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 2:51 AM

Updated: Aug 2, 2024, 2:51 AM

NVD Updated: Jun 17, 2026, 7:33 AM

Status: Analyzed
Published: May 5, 2024, 12:15 AM
Modified: Jun 17, 2026, 7:33 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2024-34476", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-02T02:51:11.588Z", "dateReserved": "2024-05-04T00:00:00.000Z", "datePublished": "2024-05-04T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-05-04T23:32:13.148Z"}, "descriptions": [{"lang": "en", "value": "Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/open5gs/open5gs/pull/3122"}, {"url": "https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-805", "lang": "en", "description": "CWE-805 Buffer Access with Incorrect Length Value"}]}], "affected": [{"vendor": "open5gs", "product": "open5gs", "cpes": ["cpe:2.3:a:open5gs:open5gs:2.7.0:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "2.7.0", "status": "affected", "lessThan": "2.7.1", "versionType": "semver"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-07-16T13:00:40.500215Z", "id": "CVE-2024-34476", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-16T13:08:37.092Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T02:51:11.588Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/open5gs/open5gs/pull/3122", "tags": ["x_transferred"]}, {"url": "https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/open5gs/open5gs/pull/3122", "tags": ["x_transferred"]}, {"url": "https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T02:51:11.588Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-34476", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-07-16T13:00:40.500215Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:open5gs:open5gs:2.7.0:*:*:*:*:*:*:*"], "vendor": "open5gs", "product": "open5gs", "versions": [{"status": "affected", "version": "2.7.0", "lessThan": "2.7.1", "versionType": "semver"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-805", "description": "CWE-805 Buffer Access with Incorrect Length Value"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-16T13:01:22.633Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://github.com/open5gs/open5gs/pull/3122"}, {"url": "https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1"}], "descriptions": [{"lang": "en", "value": "Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-05-04T23:32:13.148469"}}}, "cveMetadata": {"cveId": "CVE-2024-34476", "state": "PUBLISHED", "dateUpdated": "2024-08-02T02:51:11.588Z", "dateReserved": "2024-05-04T00:00:00", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2024-05-04T00:00:00", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}, {"affectedData": [{"cpes": ["cpe:2.3:a:open5gs:open5gs:2.7.0:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "open5gs", "vendor": "open5gs", "versions": [{"lessThan": "2.7.1", "status": "affected", "version": "2.7.0", "versionType": "semver"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*", "matchCriteriaId": "B4D3D82C-2697-4BED-8B92-74B5DC89D08D", "versionEndExcluding": "2.7.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len."}, {"lang": "es", "value": "Open5GS anterior a 2.7.1 es vulnerable a una afirmaci\u00f3n accesible que puede causar una falla de AMF a trav\u00e9s de mensajes NAS desde un UE: ogs_nas_encrypt en lib/nas/common/security.c para pkbuf->len."}], "id": "CVE-2024-34476", "lastModified": "2026-06-17T07:33:29.663", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-34476", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-07-16T13:00:40.500215Z", "version": "2.0.3"}}]}, "published": "2024-05-05T00:15:07.330", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://github.com/open5gs/open5gs/pull/3122"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://github.com/open5gs/open5gs/pull/3122"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-805"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}