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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In FRRouting (FRR) through 9.1, it is possible for the get_edge() function in ospf_te.c in the OSPF daemon to return a NULL pointer. In cases where calling functions do not handle the returned NULL value, the OSPF daemon crashes, leading to denial of service."}, {"lang": "es", "value": "En FRRouting (FRR) hasta 9.1, es posible que la funci\u00f3n get_edge() en ospf_te.c en el demonio OSPF devuelva un puntero NULL. En los casos en que las funciones de llamada no manejan el valor NULL devuelto, el daemon OSPF falla, lo que lleva a la denegaci\u00f3n de servicio."}], "id": "CVE-2024-34088", "lastModified": "2024-11-20T17:35:26.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-04-30T19:15:23.307", "references": [{"source": "cve@mitre.org", "url": "https://github.com/FRRouting/frr/pull/15674/commits/34d704fb0ea60dc5063af477a2c11d4884984d4f"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "frr: null pointer via get_edge() function can trigger a denial of service", "id": "2278067", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2278067"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-252->CWE-476", "details": ["In FRRouting (FRR) through 9.1, it is possible for the get_edge() function in ospf_te.c in the OSPF daemon to return a NULL pointer. In cases where calling functions do not handle the returned NULL value, the OSPF daemon crashes, leading to denial of service.", "A flaw was found in FRRouting (FRR). Some functions do not check the return value of the get_edge function in the ospfd/ospf_te.c file, allowing a NULL pointer dereference, causing a crash in the OSPF daemon, resulting in a denial of service."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-34088", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "frr", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "frr", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-04-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-34088\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-34088\nhttps://github.com/FRRouting/frr/pull/15674"], "statement": "The get_edge function can return a NULL pointer when processing specially crafted link IDs or advertised router IP addresses. When the NULL pointer is returned from the get_edge function and this return value is not handled by calling functions, a NULL pointer dereference issue can be triggered. As this flaw requires a crafted link ID or advertised router IP address to create an invalid edge key can and can result only in a denial of service condition, it has been rated with a moderate severity.\nThe FRR package as shipped in Red Hat Enterprise Linux 8 is not affected by this vulnerability because the vulnerable code was introduced in a newer version of FRR.", "threat_severity": "Moderate"}