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vulnerability announce CVE-2012-4618 CVE-2012-4619

Cisco IOS: denial of service via NAT

Synthesis of the vulnerability

When address translation is enabled in Cisco IOS, an attacker can create two denials of service.
Impacted products: IOS, Cisco Router xx00 Series.
Severity: 3/4.
Creation date: 26/09/2012.
Identifiers: BID-55693, BID-55705, CERTA-2012-AVI-528, Cisco_ERP_sep12, cisco-sa-20120926-nat, CSCtn76183, CSCtr46123, CVE-2012-4618, CVE-2012-4619, VIGILANCE-VUL-11987.

Description of the vulnerability

When address translation is enabled in Cisco IOS, an attacker can create two denials of service.

An attacker can send a malicious SIP packet, in order to create a denial of service. [severity:3/4; BID-55693, CSCtn76183, CVE-2012-4618]

An attacker can send a malicious packet, in order to create a denial of service. [severity:3/4; BID-55705, CSCtr46123, CVE-2012-4619]
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