CVE-2007-4924

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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:ekiga:ekiga:*:*:*:*:*:*:*:*", "matchCriteriaId": "7AA58E06-4F99-41F5-82C4-596B9086E34C", "versionEndIncluding": "2.0.9", "vulnerable": true}, {"criteria": "cpe:2.3:a:openh323_project:openh323:*:*:*:*:*:*:*:*", "matchCriteriaId": "D9000792-2E73-4D72-8032-259266E91722", "versionEndIncluding": "2.2.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4, allows remote attackers to cause a denial of service (crash) via an invalid Content-Length header field in Session Initiation Protocol (SIP) packets, which causes a \\0 byte to be written to an \"attacker-controlled address.\""}, {"lang": "es", "value": "Open Phone Abstraction Library (opal), como la usada en (1) Ekiga anterior a 2.0.10 y (2) OpenH323 anterior a 2.2.4, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) mediante una cabecera Content-Length inv\u00e1lida en paquetes SIP del Protocolo de Inicio de Sesi\u00f3n (SIP, Session Initiation Protocol), lo cual provoca que el byte \\0 sea escrito en una \"direcci\u00f3n controlada por el atacante\"."}], "id": "CVE-2007-4924", "lastModified": "2026-06-16T22:45:01.123", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": 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{"affected_release": [{"advisory": "RHSA-2007:0957", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "opal-0:2.2.2-1.1.0.1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2007-10-08T00:00:00Z"}], "bugzilla": {"description": "ekiga remote crash caused by insufficient input validation", "id": "296371", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=296371"}, "csaw": false, "cwe": "CWE-20", "details": ["The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4, allows remote attackers to cause a denial of service (crash) via an invalid Content-Length header field in Session Initiation Protocol (SIP) packets, which causes a \\0 byte to be written to an \"attacker-controlled address.\""], "name": "CVE-2007-4924", "public_date": "2007-09-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2007-4924\nhttps://nvd.nist.gov/vuln/detail/CVE-2007-4924"], "threat_severity": "Moderate"}

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