An issue was discovered in Mbed TLS... CVE-2020-36477
4.3
AV
AC
AU
C
I
A
发布：
2021-08-23
修订：
2024-11-21
An issue was discovered in Mbed TLS before 2.24.0. The verification of X.509 certificates when matching the expected common name (the cn argument of mbedtls_x509_crt_verify) with the actual certificate name is mishandled: when the subjecAltName extension is present, the expected name is compared to any name in that extension regardless of its type. This means that an attacker could impersonate a 4-byte or 16-byte domain by getting a certificate for the corresponding IPv4 or IPv6 address (this would require the attacker to control that IP address, though).
漏洞利用/PoC
暂无可用Exp或PoC
受影响的平台与产品
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