CVE-2017-7394 Information

Description

In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg) unauthenticated users can crash the server by sending long usernames.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://www.securityfocus.com/bid/97305 https://access.redhat.com/errata/RHSA-2017:2000 https://github.com/TigerVNC/tigervnc/pull/440 https://security.gentoo.org/glsa/201801-13

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5