Unverified50% confidenceFactExact time
XZ Utils 后门本质上是一个可在 SSH 认证过程中执行任意命令的远程代码执行(RCE)漏洞
1
Sources
50%
Confidence
Long-term
Relevance
8/8/2026
First Seen
Sources
Related Claims
Unverifiedxz-utils工具被广泛用于Linux系统的SSH认证链路中,若后门未被及时发现可能影响全球数百万台Linux服务器77% similarUnverifiedXZ Utils 后门的恶意代码隐藏在测试用二进制文件中,通过修改后的 m4 构建脚本在编译时提取注入,并通过劫持 RSA_public_decrypt 函数检查特定公钥72% similarUnverifiedxz后门通过修改liblzma库的IFUNC解析机制,能在特定条件下劫持通过systemd链接liblzma的OpenSSH服务器的RSA签名验证过程71% similarUnverifiedXSS (Cross-Site Scripting) is one of the most common vulnerabilities in web security, and attackers can steal cookies, session tokens, or other sensitive information by injecting malicious scripts.65% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/707499API
curl https://kongchang.com/api/v1/knowledge/claims/707499MCP
get_claim(id=707499)