CVE-2022-20686— Cisco ATA 190 代码注入漏洞

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Multiple vulnerabilities in the Link Layer Discovery Protocol (LLDP) functionality of Cisco ATA 190 Series Analog Telephone Adapter firmware could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device and cause the LLDP service to restart. These vulnerabilities are due to missing length validation of certain LLDP packet header fields. An attacker could exploit these vulnerabilities by sending a malicious LLDP packet to an affected device. A successful exploit could allow the attacker to execute code on the affected device and cause LLDP to restart unexpectedly, resulting in a denial of service (DoS) condition.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

长度参数不一致性处理不恰当

Cisco ATA 190 代码注入漏洞

Cisco ATA 190是美国思科（Cisco）公司的一个模拟电话适配器。 Cisco ATA 190 Series 存在安全漏洞，该漏洞源于 Cisco 发现协议和链路层发现协议 (LLDP) 中存在多个漏洞。这些漏洞可能允许攻击者执行代码、导致服务意外重新加载或导致 Cisco 发现协议或 LLDP 数据库损坏受影响的设备。

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