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CVE-2017-7396

Published: 1 April 2017

In TigerVNC 1.7.1 (CConnection.cxx CConnection::CConnection), an unauthenticated client can cause a small memory leak in the server.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
tigervnc
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(1.7.0+dfsg-8ubuntu2)
cosmic Not vulnerable
(1.7.0+dfsg-8ubuntu2)
precise Does not exist

trusty Does not exist

upstream
Released (1.7.0+dfsg-7)
xenial Does not exist

yakkety Does not exist

zesty Ignored
(end of life)
Patches:
upstream: https://github.com/TigerVNC/tigervnc/pull/436
upstream: https://github.com/TigerVNC/tigervnc/pull/436/commits/dccb5f7d776e93863ae10bbff56a45c523c6eeb0

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H