Improper input validation in Psi-Plus Psi\+
CVE-2017-5593
An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in the vulnerable application's display. This allows for various kinds of social engineering attacks. This CVE is for Psi+ (0.16.563.580 - 0.16.571.627).
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.007 (50.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Psi-Plus Psi\+ — versions 0.16.563.580, 0.16.571.627
Weakness classification (CWE)
References
- openwall.com/lists/oss-security/2017/02/09/29 (Exploit, Mailing List, Third Party Advisory)
- github.com/psi-im/iris/pull/47/commits/02e976d4426a1319a7af7d26d7aba9d8c6077570 (Patch)
- rt-solutions.de/en/2017/02/CVE-2017-5589_xmpp_carbons/ (Technical Description, Exploit, Third Party Advisory)
- rt-solutions.de/wp-content/uploads/2017/02/CVE-2017-5589_xmpp_carbons.pdf (Technical Description, Exploit, Third Party Advisory)
- www.securityfocus.com/bid/96169 (vdb-entry)
Frequently asked questions
- What is CVE-2017-5593?
- CVE-2017-5593 is a medium-severity vulnerability in Psi-Plus Psi\+, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2017-02-09.
- How severe is CVE-2017-5593?
- Medium severity. CVSS v3 base score is 5.9 out of 10.