VDB-112908 · CVE-2018-6779 · GCVE-0-2018-6779

Jiangmin Antivirus 16.0.0.100 Driver KSysCall.sys input validation

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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Jiangmin Antivirus 16.0.0.100. This issue affects some unknown processing in the library KSysCall.sys of the component Driver. The manipulation results in input validation. This vulnerability was named CVE-2018-6779. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Jiangmin Antivirus 16.0.0.100 (Anti-Malware Software). Affected is an unknown code block in the library KSysCall.sys of the component Driver. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In Jiangmin Antivirus 16.0.0.100, the driver file (KSysCall.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9A008240.

The bug was discovered 02/06/2018. The weakness was presented 02/06/2018 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-6779 since 02/06/2018. The attack needs to be approached locally. The requirement for exploitation is a authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/02/2020).

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

See VDB-112911, VDB-112912, VDB-112909 and VDB-112910 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Anti-Malware Software

Vendor

Jiangmin

Name

Antivirus

Version

16.0.0.100

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/06/2018 🔍
02/06/2018 +0 days 🔍
02/06/2018 +0 days 🔍
02/06/2018 +0 days 🔍
02/07/2018 +1 days 🔍
01/02/2020 +694 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-6779 (🔍)
GCVE (CVE): GCVE-0-2018-6779
GCVE (VulDB): GCVE-100-112908
See also: 🔍

Entryinfo

Created: 02/07/2018 08:22
Updated: 01/02/2020 10:14
Changes: 02/07/2018 08:22 (58), 01/02/2020 10:14 (1)
Complete: 🔍
Cache ID: 216::103