Improper Certificate Validation Affecting python-twisted package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-PYTHONTWISTED-5008276
- published26 Jul 2021
- disclosed9 Jul 2019
Introduced: 9 Jul 2019
CVE-2019-12855 (opens in a new tab)How to fix?
There is no fixed version for RHEL:7 python-twisted.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python-twisted package and not the python-twisted package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
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
- https://access.redhat.com/security/cve/CVE-2019-12855
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PLTZDMFBNFSJMBXYJNGJHENJA4H2TSMZ/
- https://github.com/twisted/twisted/pull/1147
- https://twistedmatrix.com/trac/ticket/9561
- https://www.oracle.com/security-alerts/cpuapr2020.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00028.html
- https://usn.ubuntu.com/4308-1/
- https://usn.ubuntu.com/4308-2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLTZDMFBNFSJMBXYJNGJHENJA4H2TSMZ/