Client Certificate Hijacking Vulnerability in curl and libcurl

CVE-2016-5420 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:P/A:N

curl and libcurl before 7.50.1 do not check the client certificate when choosing the TLS connection to reuse, which might allow remote attackers to hijack the authentication of the connection by leveraging a previously created connection with a different client certificate.

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