7.5high
CVE-2017-7394
In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames.
Published 9 y ago · modified 4 mo ago · JSON
CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.6%
percentile 76%
Public exploits
0
none known
Summary
In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames.
Exploit prediction (EPSS)
1.61% probability of exploitation in the next 30 days, higher than 76% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
- CWE-20 Improper Input Validation
References
- access.redhat.com /errata/RHSA-2017:2000 · vendor-advisory, x_refsource_REDHAT, x_transferred
- github.com /TigerVNC/tigervnc/pull/440 · x_refsource_CONFIRM, x_transferred
- securityfocus.com /bid/97305 · vdb-entry, x_refsource_BID, x_transferred
- security.gentoo.org /glsa/201801-13 · vendor-advisory, x_refsource_GENTOO, x_transferred
Sources
- CVE List: CVE-2017-7394
- NVD: CVE-2017-7394
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