7.5
HIGH
CVE-2017-7396
TigerVNC Denial of Service (DoS) Memory Leak
Description

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

INFO

Published Date :

April 1, 2017, 2:59 a.m.

Last Modified :

Oct. 3, 2019, 12:03 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-7396 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tigervnc tigervnc
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-7396.

URL Resource
http://www.securityfocus.com/bid/97305
https://access.redhat.com/errata/RHSA-2017:2000
https://github.com/TigerVNC/tigervnc/pull/436 Issue Tracking Patch Third Party Advisory
https://github.com/TigerVNC/tigervnc/pull/436/commits/dccb5f7d776e93863ae10bbff56a45c523c6eeb0 Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201801-13

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-7396 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-7396 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-399 CWE-772
  • CVE Modified by [email protected]

    Jan. 13, 2018

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201801-13 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 05, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2017:2000 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 05, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/97305 [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 04, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/TigerVNC/tigervnc/pull/436 No Types Assigned https://github.com/TigerVNC/tigervnc/pull/436 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://github.com/TigerVNC/tigervnc/pull/436/commits/dccb5f7d776e93863ae10bbff56a45c523c6eeb0 No Types Assigned https://github.com/TigerVNC/tigervnc/pull/436/commits/dccb5f7d776e93863ae10bbff56a45c523c6eeb0 Issue Tracking, Patch, Third Party Advisory
    Added CWE CWE-399
    Added CPE Configuration OR *cpe:2.3:a:tigervnc:tigervnc:1.7.1:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-7396 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-7396 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.31 }} 0.00%

score

0.65266

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability