CVE-2016-10027

Description

Race condition in the XMPP library in Smack before 4.1.9, when the SecurityMode.required TLS setting has been set, allows man-in-the-middle attackers to bypass TLS protections and trigger use of cleartext for client authentication by stripping the "starttls" feature from a server response.

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J4WXAZ4JVJXHMEDDXJVWJHPVBF5QCTZF/

https://issues.igniterealtime.org/projects/SMACK/issues/SMACK-739

https://github.com/igniterealtime/Smack/commit/a9d5cd4a611f47123f9561bc5a81a4555fe7cb04

https://github.com/igniterealtime/Smack/commit/059ee99ba0d5ff7758829acf5a9aeede09ec820b

https://community.igniterealtime.org/blogs/ignite/2016/11/22/smack-security-advisory-2016-11-22

http://www.securityfocus.com/bid/95129

http://www.openwall.com/lists/oss-security/2016/12/22/12

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3