PT-2008-5153 · Cisco · Cisco Ios
Publicado
2008-09-24
·
Atualizado
2022-06-02
·
CVE-2008-3799
CVSS v2.0
7.8
Alta
| Vetor | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Cisco IOS versions 12.2 through 12.4
Description
A memory leak in the Session Initiation Protocol (SIP) implementation allows remote attackers to cause a denial of service (memory consumption and voice-service outage) via unspecified valid SIP messages. Multiple vulnerabilities exist in the SIP implementation that can be exploited remotely to trigger a memory leak or to cause a reload of the IOS device.
Recommendations
For Cisco IOS versions 12.2 through 12.4, update to a fixed version of Cisco IOS software that contains fixes for all vulnerabilities addressed in this advisory.
As a temporary workaround, consider disabling the SIP protocol or feature itself if administrators do not require the Cisco IOS device to provide voice over IP services.
Correção
DoS
Missing Release of Resource after Effective Lifetime
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Cisco Ios