CVE-2011-2665

MEDIO 5.0CVE-2011-2665 · Published 06/07/2011 · updated 16/06/2026

En resumen

CVE-2011-2665 es una vulnerabilidad MEDIO (CVSS 5.0) que afecta a asterisk (digium).
Probabilidad de explotación en los próximos 30 días (EPSS): 4.0%, mayor que el 90.5% de las vulnerabilidades.
Aún no hay una versión corregida: sigue el aviso del fabricante en Referencias.

Package	Affected versions	Patched versions
asterisk digium	`= 1.8.0= 1.8.1= 1.8.1.1= 1.8.1.2= 1.8.2= 1.8.2.1= 1.8.2.2= 1.8.2.3= 1.8.2.4= 1.8.3= 1.8.3.1= 1.8.3.2= 1.8.3.3= 1.8.4= 1.8.4.1= 1.8.4.2`	No fix yet

Description

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.

References

downloads.asterisk.org/pub/security/AST-2011-009-1.8.diff · Patch
downloads.asterisk.org/pub/security/AST-2011-009.html · Vendor Advisory
lists.fedoraproject.org/pipermail/package-announce/2011-July/062628.html
secunia.com/advisories/45048 · Vendor Advisory
secunia.com/advisories/45201
secunia.com/advisories/45239
debian.org/security/2011/dsa-2276

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Package

Affected versions

Patched versions

asterisk

digium

= 1.8.0= 1.8.1= 1.8.1.1= 1.8.1.2= 1.8.2= 1.8.2.1= 1.8.2.2= 1.8.2.3= 1.8.2.4= 1.8.3= 1.8.3.1= 1.8.3.2= 1.8.3.3= 1.8.4= 1.8.4.1= 1.8.4.2

No fix yet

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