Spoofing attack in Prosody - CVE-2016-0756
Published: June 8, 2025
Vulnerability identifier: #VU110630
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-0756
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data when generating dialback keys within the generate_dialback() function in the mod_dialback module. A remote attacker can spoof XMPP network domains via a crafted stream id and domain name that is included in the target domain as a suffix.
Affected software
Prosody
Fedora
prosody
Fedora
prosody
How to mitigate CVE-2016-0756
Install updates from vendor's website.
Prosody - update to 0.9.10
prosody - addressed in versions 0.9.10-1.el5, 0.9.10-1.el6, 0.9.10-1.el7, 0.9.10-1.fc22, 0.9.10-1.fc23
prosody - addressed in versions 0.9.10-1.el5, 0.9.10-1.el6, 0.9.10-1.el7, 0.9.10-1.fc22, 0.9.10-1.fc23
External References
- http://blog.prosody.im/prosody-0-9-10-released/
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176796.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176914.html
- http://www.debian.org/security/2016/dsa-3463
- http://www.openwall.com/lists/oss-security/2016/01/27/10
- http://www.securityfocus.com/bid/82241
- https://prosody.im/issues/issue/596
- https://prosody.im/security/advisory_20160127/