National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-0756 Detail

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.

Source:  MITRE      Last Modified:  01/29/2016

Quick Info

CVE Dictionary Entry:
CVE-2016-0756
Original release date:
01/29/2016
Last revised:
12/05/2016
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
5.3 Medium
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N (legend)
Impact Score:
1.4
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
Low
Availability (A):
None
CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://blog.prosody.im/prosody-0-9-10-released/ Patch; Vendor Advisory External Source CONFIRM http://blog.prosody.im/prosody-0-9-10-released/
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176796.html External Source FEDORA FEDORA-2016-e2c5111eda
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176914.html External Source FEDORA FEDORA-2016-5a5c85c5a8
http://www.debian.org/security/2016/dsa-3463 External Source DEBIAN DSA-3463
http://www.openwall.com/lists/oss-security/2016/01/27/10 External Source MLIST [oss-security] 20160127 CVE-2016-0756: Prosody XMPP server: insecure dialback key generation/validation algorithm
http://www.securityfocus.com/bid/82241 External Source BID 82241
https://prosody.im/issues/issue/596 External Source CONFIRM https://prosody.im/issues/issue/596
https://prosody.im/security/advisory_20160127/ Vendor Advisory External Source CONFIRM https://prosody.im/security/advisory_20160127/

Technical Details

Vulnerability Type (View All)

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