{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-38711", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-02T17:46:56.601Z", "dateReserved": "2023-07-24T00:00:00", "datePublished": "2023-08-25T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-08-25T20:30:07.355397"}, "descriptions": [{"lang": "en", "value": "An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/libreswan/libreswan/tags"}, {"url": "https://libreswan.org/security/CVE-2023-38711/"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-07-22T19:44:03.355698Z", "id": "CVE-2023-38711", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2024-07-22T19:44:10.044Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T17:46:56.601Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/libreswan/libreswan/tags", "tags": ["x_transferred"]}, {"url": "https://libreswan.org/security/CVE-2023-38711/", "tags": ["x_transferred"]}]}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*", "matchCriteriaId": "E5090A30-05D9-4501-9E86-FF1024BB2A0F", "versionEndExcluding": "4.12", "versionStartIncluding": "4.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6."}, {"lang": "es", "value": "Se ha descubierto un problema en Libreswan anterior a 4.12. Cuando una conexi\u00f3n de modo r\u00e1pido IKEv1 configurada con ID_IPV4_ADDR o ID_IPV6_ADDR recibe una carga \u00fatil IDcr con ID_FQDN, una desviaci\u00f3n de puntero NULL provoca un bloqueo y reinicio del demonio pluto. NOTA: la primera versi\u00f3n afectada es la 4.6.\n"}], "id": "CVE-2023-38711", "lastModified": "2023-12-12T13:52:11.970", "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"}]}, "published": "2023-08-25T21:15:08.230", "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-2023-38711/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"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"}], "bugzilla": {"description": "libreswan: Invalid IKEv1 Quick Mode ID causes restart", "id": "2215952", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215952"}, "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-476", "details": ["An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.", "A NULL pointer dereference flaw was found in Libreswan when processing IKEv1 Quick Mode requests. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, it triggers a NULL pointer dereference error. This flaw allows a malicious client or attacker to send a malformed IKEv1 Quick Mode packet, causing a crash and restart of the libreswan pluto daemon. When sent continuously, this issue leads to a denial of service attack."], "name": "CVE-2023-38711", "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": "Not affected", "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-2023-38711\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-38711\nhttps://github.com/libreswan/libreswan/releases/tag/v4.12\nhttps://libreswan.org/security/CVE-2023-38711/CVE-2023-38711.txt"], "statement": "IKEv1 Quick Mode requests are only processed when received from authenticated peers, limiting the scope of possible attackers to peers who have successfully authenticated.", "threat_severity": "Moderate", "upstream_fix": "libreswan 4.12"}