CVE-2016-0756
The generate_dialback function in the mod_dialback module in Prosody before 0.9.10 does not...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.3
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.
- Record
CVE-2016-0756- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-0756- Updated
- 2026-11-02
EUVDEUVD-2016-0776 No score
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.
- Record
EUVD-2016-0776- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xf9v-h9f2-2phh
5.3
The generate_dialback function in the mod_dialback module in Prosody before 0.9.10 does not...
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.
- Record
GHSA-xf9v-h9f2-2phh- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
5.3
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.
- Record
CVE-2016-0756- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2016-0756
5.3
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.
- Record
DEBIAN-CVE-2016-0756- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-0756
5.3
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.
- Record
UBUNTU-CVE-2016-0756- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10489-1 No score
prosody-0.9.11-1.1 on GA media
These are all security issues fixed in the prosody-0.9.11-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10489-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
prosodyDebian:12 |
before 0.9.10-1 | 0.9.10-1 |
prosodyDebian:13 |
before 0.9.10-1 | 0.9.10-1 |
prosodyDebian:14 |
before 0.9.10-1 | 0.9.10-1 |
prosodyDebian:6.0 |
before 0.7.0-1squeeze1+deb6u2, plus listed versions 0.7.0-10.7.0-1squeeze1 |
0.7.0-1squeeze1+deb6u2 |
prosodyDebian:7 |
before 0.8.2-4+deb7u4, plus listed versions 0.8.2-40.8.2-4+deb7u10.8.2-4+deb7u20.8.2-4+deb7u3 |
0.8.2-4+deb7u4 |
prosodyDebian:8 |
before 0.9.7-2+deb8u3, plus listed versions 0.9.7-20.9.7-2+deb8u10.9.7-2+deb8u2 |
0.9.7-2+deb8u3 |
prosodyUbuntu:16.04:LTS |
before 0.9.10-1, plus listed versions 0.9.8-10.9.9-1 |
0.9.10-1 |
prosodyopenSUSE:Tumbleweed |
before 0.9.11-1.1 | 0.9.11-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-0756 is a medium vulnerability (CVSS 5.3) in Prosody, published January 29, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.05%, the 81st percentile. Fixed in prosody 0.9.10-1.
References
lists.fedoraproject.org/pipermail/package-announce/2016-February/176796.html
securityfocus.com/bid/82241
lists.fedoraproject.org/pipermail/package-announce/2016-February/176914.html
prosody.im/issues/issue/596
openwall.com/lists/oss-security/2016/01/27/10
blog.prosody.im/prosody-0-9-10-released
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debian.org/security/2016/dsa-3463
prosody.im/security/advisory_20160127
nvd.nist.gov/vuln/detail/CVE-2016-0756
github.com/advisories/GHSA-xf9v-h9f2-2phh
security-tracker.debian.org/tracker/CVE-2016-0756
ubuntu.com/security/CVE-2016-0756
cve.org/CVERecord?id=CVE-2016-0756
suse.com/security/cve/CVE-2016-0756
suse.com/security/cve/CVE-2016-1231
suse.com/security/cve/CVE-2016-1232