漏洞信息
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Vulnerability Title
TLS server impersonation possible in Mikrotik RouterOS
Vulnerability Description
MikroTik RouterOS accepts malformed RSA/PKCS#1 v1.5 signatures across RSA-based services, including TLS/X.509 certificate validation and SSH host-key authentication. Because its trust store includes an e=3 root CA, an attacker controlling or redirecting an outbound RouterOS TLS connection can use the root’s public certificate - without its private key - to forge a trusted intermediate and issue certificates for arbitrary hostnames, enabling TLS server impersonation. The same permissive verification also undermines RSA-based SSH authentication.
This issue affects only 7.x branch was fixed in versions: 7.23.6 (Long-term) and 7.24.3 (Stable).
Releases 7.23.4 and 7.24.2 included an incomplete fix.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Vulnerability Type
密码学签名的验证不恰当
Vulnerability Title
MikroTik routeros 加密问题漏洞
Vulnerability Description
MikroTik routeros是拉脱维亚MikroTik公司的一款网络操作系统软件。 MikroTik routeros 6.0.0版本至6.49.21之前版本、7.0.0版本至7.23.4之前版本和7.24版本至7.24.2之前版本存在加密问题漏洞,该漏洞源于在X.509验证期间接受格式错误的RSA/PKCS#1 v1.5签名,且信任库包含e=3的根CA,导致攻击者控制或重定向RouterOS出站TLS连接后,无需私钥即可使用根证书的公钥伪造受信任的中间证书,为任意主机名颁发证书,从而实现TLS服务
CVSS Information
N/A
Vulnerability Type
N/A