CVE-2016-0756 Information

Description

The generate_dialback function in the mod_dialback module in Prosody before 0.9.10 does not properly separate fields when generating dialback keys which allows remote attackers to spoof XMPP network domains via a crafted stream id and domain name that is included in the target domain as a suffix.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Reference

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/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

5.3