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CVE-2016-10027

Published: Jan 12, 2017

Modified: Aug 6, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

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

x_refsource_CONFIRM

FEDORA-2016-897a1e6698

vendor-advisory

x_refsource_FEDORA

vdb-entry

x_refsource_BID

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

x_refsource_CONFIRM

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

x_refsource_CONFIRM

[oss-security] 20161222 Re: CVE Request: Smack: TLS SecurityMode.required not always enforced, leading to striptls attack

mailing-list

x_refsource_MLIST

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

x_refsource_CONFIRM

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