TigerVNC 1.7.1 SSecurityVeNCrypt.cxx SSecurityVeNCrypt) resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in TigerVNC 1.7.1. It has been declared as problematic. Affected by this vulnerability is the function SSecurityVeNCrypt::SSecurityVeNCrypt) of the file SSecurityVeNCrypt.cxx. Executing a manipulation can lead to resource management. The identification of this vulnerability is CVE-2017-7392. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in TigerVNC 1.7.1. This vulnerability affects the function SSecurityVeNCrypt::SSecurityVeNCrypt) of the file SSecurityVeNCrypt.cxx. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

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

The bug was discovered 03/31/2017. The weakness was shared 04/01/2017 (GitHub Repository). The advisory is available at github.com. This vulnerability was named CVE-2017-7392 since 03/31/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 99239 (Fedora 25 : tigervnc (2017-51979161f4)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236436 (Red Hat Update for tigervnc and fltk (RHSA-2017:2000)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99239) and SecurityFocus (BID 97305†). The entries VDB-99155, VDB-99157, VDB-99156 and VDB-99158 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99239
Nessus Name: Fedora 25 : tigervnc (2017-51979161f4)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for tigervnc FEDORA-2017-a66ca10c22
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

03/31/2017 🔍
03/31/2017 +0 days 🔍
03/31/2017 +0 days 🔍
03/31/2017 +0 days 🔍
04/01/2017 +1 days 🔍
04/01/2017 +0 days 🔍
04/07/2017 +6 days 🔍
04/07/2017 +0 days 🔍
11/24/2022 +2057 days 🔍

Sourcesinfo

Product: github.com

Advisory: FEDORA-2017-51979161f4
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7392 (🔍)
GCVE (CVE): GCVE-0-2017-7392
GCVE (VulDB): GCVE-100-99154
SecurityFocus: 97305 - TigerVNC Multiple Security Vulnerabilities
OSVDB: - CVE-2017-7392 - TigerVNC - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 04/01/2017 10:12
Updated: 11/24/2022 11:45
Changes: 04/01/2017 10:12 (80), 11/24/2022 11:38 (5), 11/24/2022 11:45 (1)
Complete: 🔍
Cache ID: 216::103

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