Impact: Important Public Date: 2019-07-09 CWE: CWE-295 Bugzilla: 1728206: CVE-2019-12855 python-twisted: XMPP support in words.protocols.jabber.xmlstream in Twisted does not verify certificates allowing for a MITM connections 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.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-12855 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.4 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | High |
| Availability Impact | None |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenStack Platform Operational Tools 9 | python-twisted | Under investigation |
| Red Hat OpenStack Platform 9.0 | python-twisted | Under investigation |
| Red Hat OpenStack Platform 14.0 (Rocky) | python-twisted | Under investigation |
| Red Hat OpenStack Platform 13.0 (Queens) | python-twisted | Under investigation |
| Red Hat OpenStack Platform 10 | python-twisted | Under investigation |
| Red Hat Gluster Storage 3 | python-twisted-core | Under investigation |
| Red Hat Enterprise Linux OpenStack Platform 8.0 Operational Tools for RHEL 7 | python-twisted | Under investigation |
| Red Hat Enterprise Linux 7 | python-twisted-web | Under investigation |
| Red Hat Enterprise Linux 6 | python-twisted-web | Under investigation |
| Red Hat Ceph Storage 3 | python-twisted-core | Under investigation |
| Red Hat Ceph Storage 2 | python-twisted-core | Under investigation |
| Red Hat Ceph Storage 2 | calamari-server | Under investigation |
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