CVE-2023-38710

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*", "matchCriteriaId": "6FD4136B-12B7-4FCA-B643-47F5FEA652EA", "versionEndExcluding": "4.12", "versionStartIncluding": "3.20", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Libreswan before 4.12. When an IKEv2 Child SA REKEY packet contains an invalid IPsec protocol ID number of 0 or 1, an error notify INVALID_SPI is sent back. The notify payload's protocol ID is copied from the incoming packet, but the code that verifies outgoing packets fails an assertion that the protocol ID must be ESP (2) or AH(3) and causes the pluto daemon to crash and restart. NOTE: the earliest affected version is 3.20."}, {"lang": "es", "value": "Se ha descubierto un problema en Libreswan anterior a 4.12. Cuando un paquete IKEv2 Child SA REKEY contiene un n\u00famero de ID de protocolo IPsec no v\u00e1lido de 0 o 1, se devuelve una notificaci\u00f3n de error INVALID_SPI. El ID de protocolo de la carga \u00fatil de la notificaci\u00f3n se copia del paquete entrante, pero el c\u00f3digo que verifica los paquetes salientes falla en la afirmaci\u00f3n de que el ID de protocolo debe ser ESP (2) o AH(3) y hace que el demonio pluto se bloquee y reinicie. NOTA: la primera versi\u00f3n afectada es la 3.20.\n"}], "id": "CVE-2023-38710", "lastModified": "2026-06-17T06:11:00.140", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-38710", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2023-12-18T17:07:09.396495Z", "version": "2.0.3"}}]}, "published": "2023-08-25T21:15:08.167", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/libreswan/libreswan/tags"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://libreswan.org/security/CVE-2023-38710/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/libreswan/libreswan/tags"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://libreswan.org/security/CVE-2023-38710/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank X1AOxiang for reporting this issue.", "affected_release": [{"advisory": "RHSA-2023:7052", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "libreswan-0:4.12-2.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2023:6549", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "libreswan-0:4.12-1.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}, {"advisory": "RHSA-2024:10594", "cpe": "cpe:/a:redhat:rhel_e4s:9.0", "package": "libreswan-0:4.6-3.el9_0.3", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2024-12-02T00:00:00Z"}, {"advisory": "RHSA-2025:0309", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "libreswan-0:4.9-5.el9_2.4", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2025-01-14T00:00:00Z"}, {"advisory": "RHBA-2024:11565", "cpe": "cpe:/a:redhat:openshift:4.15::el9", "package": "libreswan-0:4.6-3.el9_0.3", "product_name": "Red Hat OpenShift Container Platform 4.15", "release_date": "2025-01-02T00:00:00Z"}, {"advisory": "RHBA-2024:11505", "cpe": "cpe:/a:redhat:openshift:4.16::el9", "package": "libreswan-0:4.6-3.el9_0.3", "product_name": "Red Hat OpenShift Container Platform 4.16", "release_date": "2025-01-02T00:00:00Z"}, {"advisory": "RHBA-2024:11525", "cpe": "cpe:/a:redhat:openshift:4.17::el9", "package": "libreswan-0:4.6-3.el9_0.3", "product_name": "Red Hat OpenShift Container Platform 4.17", "release_date": "2025-01-02T00:00:00Z"}], "bugzilla": {"description": "libreswan: Invalid IKEv2 REKEY proposal causes restart", "id": "2225368", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2225368"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-617", "details": ["An issue was discovered in Libreswan before 4.12. When an IKEv2 Child SA REKEY packet contains an invalid IPsec protocol ID number of 0 or 1, an error notify INVALID_SPI is sent back. The notify payload's protocol ID is copied from the incoming packet, but the code that verifies outgoing packets fails an assertion that the protocol ID must be ESP (2) or AH(3) and causes the pluto daemon to crash and restart. NOTE: the earliest affected version is 3.20.", "An assertion failure flaw was found in the Libreswan package that occurs when processing IKEv2 REKEY requests. When an IKEv2 Child SA REKEY packet contains an invalid IPsec protocol ID number of 0 or 1, an error notification INVALID_SPI is sent back. The notify payload's protocol ID is copied from the incoming packet, but the code that verifies outgoing packets fails an assertion that the protocol ID must be ESP (2) or AH(3). This flaw allows a malicious client or attacker to send a malformed IKEv2 REKEY packet, causing a crash and restarting the libreswan pluto daemon. When sent continuously, this could lead to a denial of service attack."], "name": "CVE-2023-38710", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "libreswan", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "libreswan", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2023-08-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-38710\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-38710\nhttps://github.com/libreswan/libreswan/releases/tag/v4.12\nhttps://libreswan.org/security/CVE-2023-38710/CVE-2023-38710.txt"], "statement": "IKEv2 REKEY requests are only processed when received from authenticated peers, limiting the scope of possible attackers to peers who have successfully authenticated.", "threat_severity": "Moderate"}

{}