CVE-2017-7393 Information

Description

In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence) an authenticated client can cause a double free leading to denial of service or potentially code execution.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/97305 https://access.redhat.com/errata/RHSA-2017:2000 https://github.com/TigerVNC/tigervnc/pull/438 https://security.gentoo.org/glsa/201801-13

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8