CVE-2023-41910

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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:lldpd_project:lldpd:*:*:*:*:*:*:*:*", "matchCriteriaId": "591FC9F7-7E51-49D8-97B9-513D515C0204", "versionEndExcluding": "1.0.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en lldpd antes de la versi\u00f3n 1.0.17. Al manipular un paquete CDP PDU con TLVs CDP_TLV_ADDRESSES espec\u00edficos, un actor malicioso puede forzar remotamente al demonio lldpd a realizar una lecutra fuera de l\u00edmites en la memoria heap. Esto ocurre en cdp_decode in daemon/protocols/cdp.c."}], "id": "CVE-2023-41910", "lastModified": "2026-06-17T06:23:03.177", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-41910", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-09-30T17:17:53.667304Z", "version": "2.0.3"}}]}, "published": "2023-09-05T07:15:14.927", "references": [{"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b"}, {"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "https://github.com/lldpd/lldpd/releases/tag/1.0.17"}, {"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00025.html"}, {"source": "cve@mitre.org", "url": "https://www.debian.org/security/2023/dsa-5505"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/lldpd/lldpd/commit/a9aeabdf879c25c584852a0bb5523837632f099b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/lldpd/lldpd/releases/tag/1.0.17"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00025.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2023/dsa-5505"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9158", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "lldpd-0:1.0.18-4.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "lldpd: CDP PDU Packet cdp.c out-of-bounds read", "id": "2237411", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2237411"}, "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": "verified"}, "cwe": "CWE-125", "details": ["An issue was discovered in lldpd before 1.0.17. By crafting a CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a malicious actor can remotely force the lldpd daemon to perform an out-of-bounds read on heap memory. This occurs in cdp_decode in daemon/protocols/cdp.c.", "A flaw was found in lldpd due to an out-of-bounds read in cdp_decode at daemon/protocols/cdp.c. By sending a specially crafted CDP PDU packet with specific CDP_TLV_ADDRESSES TLVs, a remote attacker could cause a denial of service."], "name": "CVE-2023-41910", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "lldpd", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2023-09-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-41910\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-41910"], "statement": "The highest threat from this vulnerability is system availability.", "threat_severity": "Moderate"}

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