Improper input validation in Tigervnc
CVE-2017-7394
In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.016 (73.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Tigervnc — versions 1.7.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2017-7394?
- CVE-2017-7394 is a high-severity vulnerability in Tigervnc, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-04-01.
- How severe is CVE-2017-7394?
- High severity. CVSS v3 base score is 7.5 out of 10.