CVE-2018-0476

中 5.9CVE-2018-0476 · 05/10/2018 公開 · 17/06/2026 更新

パッケージ	影響を受けるバージョン	修正済みバージョン
—	この脆弱性の影響を受ける製品バージョンはまだ掲載されていません。

概要

A vulnerability in the Network Address Translation (NAT) Session Initiation Protocol (SIP) Application Layer Gateway (ALG) of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of SIP packets in transit while NAT is performed on an affected device. An unauthenticated, remote attacker could exploit this vulnerability by sending crafted SIP packets via UDP port 5060 through an affected device that is performing NAT for SIP packets. A successful exploit could allow an attacker to cause the device to reload, resulting in a denial of service (DoS) condition.

参考情報

securityfocus.com/bid/105419 · Third Party Advisory
securitytracker.com/id/1041734 · Third Party Advisory
securitytracker.com/id/1041737 · Third Party Advisory
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-sip-alg · Vendor Advisory

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