Auth bypass in Prosody
CVE-2018-10847
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.017 (75.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Prosody — versions 0.10.0, 0.10.1
- [Unknown] Prosody — versions 0.9.14, 0.10.2
Weakness classification (CWE)
References
- issues.prosody.im/1147 (Vendor Advisory)
- blog.prosody.im/prosody-0-10-2-security-release/ (Vendor Advisory)
- www.debian.org/security/2018/dsa-4216 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- prosody.im/security/advisory_20180531/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-10847?
- CVE-2018-10847 is a medium-severity vulnerability in Prosody, classified under CWE-592. CVSS score: 4.2/10. Published 2018-07-30.
- How severe is CVE-2018-10847?
- Medium severity. CVSS v3 base score is 4.2 out of 10.