An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in the vulnerable application's display. This allows for various kinds of social engineering attacks. This CVE is for yaxim and Bruno (0.8.6 - 0.8.8; Android).

References

• https://nvd.nist.gov/vuln/detail/CVE-2017-5589
• ge0rg/yaxim@65a38dc
• https://rt-solutions.de/en/2017/02/CVE-2017-5589_xmpp_carbons/
• https://rt-solutions.de/wp-content/uploads/2017/02/CVE-2017-5589_xmpp_carbons.pdf
• http://openwall.com/lists/oss-security/2017/02/09/29
• http://www.securityfocus.com/bid/96170