CVE-2009-2957
Estado: ModificadaMedia (6.8)—💥 Exploit
Heap-based buffer overflow in the tftp_request function in tftp.c in dnsmasq before 2.50, when --enable-tftp is used, might allow remote attackers to execute arbitrary code via a long filename in a TFTP packet, as demonstrated by a read (aka RRQ) request.
CVSS
- Versión: 2.0
- Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
- Puntuación base: 6.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 13%
- Percentil entre todas las CVEs puntuadas: 96
- Fecha de la puntuación: 6/10/2026
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).
💥 Exploits públicos
Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.
- Publicado en Exploit-DB · Dnsmasq < 2.50 - Heap Overflow / Null Pointer Dereference (9/9/2009)
Tecnologías afectadas (1)
CWE
- CWE-119
Referencias
- http://secunia.com/advisories/36563
- http://www.coresecurity.com/content/dnsmasq-vulnerabilities
- http://www.redhat.com/support/errata/RHSA-2009-1238.html
- http://www.securityfocus.com/bid/36121
- http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
- http://www.ubuntu.com/usn/USN-827-1
- https://bugzilla.redhat.com/show_bug.cgi?id=519020
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10538
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
- http://secunia.com/advisories/36563
- http://www.coresecurity.com/content/dnsmasq-vulnerabilities
- http://www.redhat.com/support/errata/RHSA-2009-1238.html
- http://www.securityfocus.com/bid/36121
- http://www.thekelleys.org.uk/dnsmasq/CHANGELOG
- http://www.ubuntu.com/usn/USN-827-1
- https://bugzilla.redhat.com/show_bug.cgi?id=519020
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10538
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
JSON original (NVD)
Mostrar
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}