FreshPorts - VuXML
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|4e1f4abc-6837-11e3-9cda-3c970e169bc2||cURL library -- cert name check ignore with GnuTLS|
cURL project reports:
libcurl is vulnerable to a case of missing out the checking
of the certificate CN or SAN name field when the digital
signature verification is turned off.
libcurl offers two separate and independent options for
verifying a server's TLS certificate. CURLOPT_SSL_VERIFYPEER
and CURLOPT_SSL_VERIFYHOST. The first one tells libcurl to
verify the trust chain using a CA cert bundle, while the
second tells libcurl to make sure that the name fields in
the server certificate meets the criteria. Both options are
enabled by default.
This flaw had the effect that when an application disabled
CURLOPT_SSL_VERIFYPEER, libcurl mistakenly also skipped the
CURLOPT_SSL_VERIFYHOST check. Applications can disable
CURLOPT_SSL_VERIFYPEER and still achieve security by doing
the check on its own using other means.
The curl command line tool is not affected by this problem
as it either enables both options or disables both at the
ge 7.21.4 lt 7.33.0_2