漏洞信息
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Vulnerability Title
Xcitium Client Security / Comodo Internet Security Remote Denial of Service
Vulnerability Description
Xcitium Client Security (XCS) before 13.8.2.10019 and Comodo Internet Security (CIS) through 12.3.4.8162 (fix expected by 2026 Q3) contain an integer underflow vulnerability in the firewall driver Inspect.sys that allows remote unauthenticated attackers to crash the system by sending a crafted IPv6 packet with a declared payload length smaller than the sum of its extension-header lengths. The unsigned 64-bit payload-length value underflows to a near-maximal integer, triggering an out-of-bounds read and oversized memcpy in the Windows kernel at DISPATCH_LEVEL, resulting in a blue screen of death even on hosts with all ports blocked.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
整数下溢(超界折返)
Vulnerability Title
Comodo Internet Security 数字错误漏洞
Vulnerability Description
Comodo Internet Security是美国Comodo公司的一套主要针对互联网安全的计算机安全软件。 Comodo Internet Security存在数字错误漏洞,该漏洞源于防火墙驱动Inspect.sys中IPv6数据包解析器中存在整数下溢,可能导致系统崩溃。
CVSS Information
N/A
Vulnerability Type
N/A