CVE-2011-2665
Estado: ModificadaMedia (5)—
reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.
CVSS
- Versión: 2.0
- Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
- Puntuación base: 5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.97%
- Percentil entre todas las CVEs puntuadas: 90
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- NVD-CWE-Other
Referencias
- http://downloads.asterisk.org/pub/security/AST-2011-009-1.8.diff
- http://downloads.asterisk.org/pub/security/AST-2011-009.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
- http://secunia.com/advisories/45048
- http://secunia.com/advisories/45201
- http://secunia.com/advisories/45239
- http://www.debian.org/security/2011/dsa-2276
- http://downloads.asterisk.org/pub/security/AST-2011-009-1.8.diff
- http://downloads.asterisk.org/pub/security/AST-2011-009.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
- http://secunia.com/advisories/45048
- http://secunia.com/advisories/45201
- http://secunia.com/advisories/45239
- http://www.debian.org/security/2011/dsa-2276
JSON original (NVD)
Mostrar
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"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
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"lastModified": "2026-06-16T23:31:45.360",
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"evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/476.html\r\n'CWE-476: NULL Pointer Dereference'",
"sourceIdentifier": "cve@mitre.org"
}