[Python-modules-team] Bug#930626: twisted: CVE-2019-12855

[Salvatore Bonaccorso]

Source: twisted
Version: 18.9.0-3
Severity: important
Tags: security upstream
Forwarded: https://twistedmatrix.com/trac/ticket/9561

Hi,

The following vulnerability was published for twisted.

CVE-2019-12855[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2019-12855
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12855
[1] https://twistedmatrix.com/trac/ticket/9561
[2] https://github.com/twisted/twisted/pull/1147

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore