Date: Thu, 18 Apr 2019 20:40:56 -0400 From: Havoc Pennington <hp@...elift.com> To: oss-security@...ts.openwall.com Subject: Re: urllib3: adds system certificates to ssl_context Hello, This vulnerability "urllib3: adds system certificates to ssl_context" has been assigned CVE-2019-11324 Thank you Havoc On Wed, Apr 17, 2019 at 2:21 PM Havoc Pennington <hp@...elift.com> wrote: > > A vulnerability has been discovered in the urllib3 Python library. > > When verifying HTTPS connections when an SSLContext is passed to > urllib3, system CA certificates will be loaded into the SSLContext > by default in addition to any manually-specified CA certificates. > This causes TLS handshakes that should fail given only the > manually specified certs to succeed based on system CA certs. > > This affects urllib3 1.24.1 and below. The fix has been released > in version 1.24.2. > > The vulnerability was reported by Christian Heimes. > > A CVE ID has been requested, will follow up with it when we have it. > > Best > Havoc / on behalf of Tidelift security team & urllib3 team
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