K7 Antivirus 15.1.0306 Driver K7FWHlpr.sys input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in K7 Antivirus 15.1.0306. The impacted element is an unknown function in the library K7FWHlpr.sys of the component Driver. Executing a manipulation can lead to input validation. This vulnerability is handled as CVE-2018-5082. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability has been found in K7 Antivirus 15.1.0306 (Anti-Malware Software) and classified as critical. This vulnerability affects some unknown functionality in the library K7FWHlpr.sys of the component Driver. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In K7 AntiVirus 15.1.0306, the driver file (K7FWHlpr.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 0x83002128.

The bug was discovered 01/03/2018. The weakness was released 01/03/2018 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-5082 since 01/03/2018. The attack needs to be approached locally. A single authentication is required for exploitation. 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 12/19/2019).

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

Entries connected to this vulnerability are available at VDB-111320, VDB-111319, VDB-111317 and VDB-111318. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.6
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2018 🔍
01/03/2018 +0 days 🔍
01/03/2018 +0 days 🔍
01/03/2018 +0 days 🔍
01/04/2018 +1 days 🔍
12/19/2019 +714 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-5082 (🔍)
GCVE (CVE): GCVE-0-2018-5082
GCVE (VulDB): GCVE-100-111316
See also: 🔍

Entryinfo

Created: 01/04/2018 07:28
Updated: 12/19/2019 15:30
Changes: 01/04/2018 07:28 (59), 12/19/2019 15:30 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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