VDB-165273 · CVE-2018-16720 · GCVE-0-2018-16720

Jingyun Antivirus 2.4.2.39 Driver ZySandbox.sys denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Jingyun Antivirus 2.4.2.39 and classified as problematic. This impacts an unknown function in the library ZySandbox.sys of the component Driver. Performing a manipulation results in denial of service. This vulnerability was named CVE-2018-16720. The attack needs to be approached locally. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Jingyun Antivirus 2.4.2.39 (Anti-Malware Software). It has been classified as problematic. This affects an unknown part in the library ZySandbox.sys of the component Driver. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was presented 11/24/2020. The advisory is shared at cnvd.org.cn. This vulnerability is uniquely identified as CVE-2018-16720. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Anti-Malware Software

Vendor

Jingyun

Name

Antivirus

Version

2.4.2.39

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/08/2018 🔍
11/24/2020 +808 days 🔍
11/24/2020 +0 days 🔍
12/10/2020 +16 days 🔍

Sourcesinfo

Advisory: cnvd.org.cn
Status: Not defined

CVE: CVE-2018-16720 (🔍)
GCVE (CVE): GCVE-0-2018-16720
GCVE (VulDB): GCVE-100-165273
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/24/2020 07:28
Updated: 12/10/2020 02:17
Changes: 11/24/2020 07:28 (41), 12/10/2020 02:12 (2), 12/10/2020 02:17 (18)
Complete: 🔍
Cache ID: 216::103