CVE-2007-1777
Estado: ModificadaAlta (7.5)—Exploit
Gravedad7.5Alta · CVSS 2.0
Probabilidad de explotación15 %mayor que el 97 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoDisponiblePublicado en Exploit-DB
Desbordamiento de entero en la función zip_read_entry en PHP 4 versiones anteriores a 4.4.5 permite a atacantes remotos ejecutar código de su elección mediante un fichero ZIP que contiene una entrada con un valor de longitud 0xffffffff, que se incrementa antes de ser usado en la llamada a emalloc, disparando un desbordamiento de montón.
CVSS
- Puntuación base
- 7.5
- Versión
- 2.0
- Vector
- AV:N/AC:L/Au:N/C:P/I:P/A:P
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 15 %
- Percentil entre todas las CVEs puntuadas
- 97
- Fecha de la puntuación
- 21/10/2026
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 · PHP 4.4.4 - 'Zip_Entry_Read()' Integer Overflow (27/3/2007)
Tecnologías afectadas (1)
CWE
- NVD-CWE-Other
Referencias
Mostrar las 16 referencias
- http://secunia.com/advisories/25025
- http://secunia.com/advisories/25062
- http://www.debian.org/security/2007/dsa-1282
- http://www.debian.org/security/2007/dsa-1283
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:130
- http://www.php-security.org/MOPB/MOPB-35-2007.html
- http://www.securityfocus.com/bid/23169
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33652
- http://secunia.com/advisories/25025
- http://secunia.com/advisories/25062
- http://www.debian.org/security/2007/dsa-1282
- http://www.debian.org/security/2007/dsa-1283
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:130
- http://www.php-security.org/MOPB/MOPB-35-2007.html
- http://www.securityfocus.com/bid/23169
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33652
JSON original (NVD)
Mostrar
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"vendorComments": [
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"comment": "Not vulnerable. The zip extension was not distributed with PHP as\nshipped with Red Hat Enterprise Linux 2.1, 3, 4, 5, Stronghold 4.0, or\nRed Hat Application Stack 1.\n",
"lastModified": "2007-04-16T00:00:00",
"organization": "Red Hat"
}
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}