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 categorized as critical has been discovered in K7 Antivirus 15.1.0306. This affects an unknown part in the library K7FWHlpr.sys of the component Driver. Executing a manipulation can lead to input validation. This vulnerability is tracked as CVE-2018-5088. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in K7 Antivirus 15.1.0306 (Anti-Malware Software). This vulnerability affects an 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 0x8300211C.

The bug was discovered 01/03/2018. The weakness was disclosed 01/03/2018 (Website). The advisory is available at github.com. This vulnerability was named CVE-2018-5088 since 01/03/2018. Local access is required to approach this attack. The successful exploitation needs a single authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (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.

The entries VDB-111320, VDB-111321, VDB-111319 and VDB-111318 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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-2018-5088 (🔍)
GCVE (CVE): GCVE-0-2018-5088
GCVE (VulDB): GCVE-100-111322
See also: 🔍

Entryinfo

Created: 01/04/2018 07:28
Updated: 12/19/2019 15:48
Changes: 01/04/2018 07:28 (59), 12/19/2019 15:48 (1)
Complete: 🔍
Cache ID: 216::103

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