CVE-2019-12855: Improper Certificate Validation in Twisted
(updated )
In words.protocols.jabber.xmlstream in Twisted through 19.2.1, XMPP support did not verify certificates when used with TLS, allowing an attacker to MITM connections.
References
- github.com/advisories/GHSA-65rm-h285-5cc5
- github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2019-129.yaml
- github.com/twisted/twisted
- github.com/twisted/twisted/pull/1147
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLTZDMFBNFSJMBXYJNGJHENJA4H2TSMZ
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PLTZDMFBNFSJMBXYJNGJHENJA4H2TSMZ
- nvd.nist.gov/vuln/detail/CVE-2019-12855
- twistedmatrix.com/trac/ticket/9561
- usn.ubuntu.com/4308-1
- usn.ubuntu.com/4308-2
- www.oracle.com/security-alerts/cpuapr2020.html
Code Behaviors & Features
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