CVE-2018-10847: High severity prosody vulnerability

Published May 31, 2018
·
Updated

prosody before versions 0.10.2, 0.9.14 is vulnerable to an Authentication Bypass. Prosody did not verify that the virtual host associated with a user session remained the same across stream restarts. A user may authenticate to XMPP host A and migrate their authenticated session to XMPP host B of the same Prosody instance.

Affected Software

5 affected componentsFixes available
debian/prosody
0.11.2-1+deb10u40.11.9-2+deb11u20.12.3-10.12.4-1
debian/prosody<=0.10.1-1, <=0.9.7-2
0.10.2-10.9.12-2+deb9u20.9.7-2+deb8u4
Prosody prosody<0.9.14
Prosody prosody=0.10.0
Prosody prosody=0.10.1

Event History

Jul 30, 2018
CVE Published
via MITRE·04:00 PM
Data Sourced
via MITRE·04:00 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is CVE-2018-10847?

CVE-2018-10847 is a vulnerability in Prosody, a XMPP server, that allows for authentication bypass.

2

What is the severity of CVE-2018-10847?

The severity of CVE-2018-10847 is high with a CVSS score of 8.8.

3

How does CVE-2018-10847 exploit work?

CVE-2018-10847 exploits the lack of verification of the virtual host associated with a user session and allows a user to migrate their authenticated session to a different XMPP host.

4

Which versions of Prosody are affected by CVE-2018-10847?

Versions before 0.10.2 and 0.9.14 of Prosody are affected by CVE-2018-10847.

5

How can I fix CVE-2018-10847?

To fix CVE-2018-10847, upgrade Prosody to version 0.10.2 or 0.9.14 or later.

Contact

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