K7 Antivirus up to 15.1 IOCTL Call access control

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 (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in K7 Antivirus up to 15.1. It has been declared as critical. This affects an unknown function of the component IOCTL Call Handler. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2017-16557. The attack is restricted to local execution. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in K7 Antivirus up to 15.1 (Anti-Malware Software). It has been declared as critical. This vulnerability affects some unknown processing of the component IOCTL Call Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

K7 Antivirus Premium before 15.1.0.53 allows local users to gain privileges by sending a specific IOCTL after setting the memory in a particular way.

The bug was discovered 01/15/2018. The weakness was disclosed 01/16/2018 (Website). The advisory is available at support.k7computing.com. This vulnerability was named CVE-2017-16557 since 11/06/2017. Local access is required to approach this attack. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 15.1.0.53 eliminates this vulnerability.

The entries VDB-111916, VDB-111918 and VDB-111920 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: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
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: Access control
CWE: CWE-264
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Antivirus 15.1.0.53

Timelineinfo

11/06/2017 🔍
01/15/2018 +70 days 🔍
01/16/2018 +1 days 🔍
01/16/2018 +0 days 🔍
01/17/2018 +1 days 🔍
12/23/2019 +705 days 🔍

Sourcesinfo

Advisory: support.k7computing.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-16557 (🔍)
GCVE (CVE): GCVE-0-2017-16557
GCVE (VulDB): GCVE-100-111922
See also: 🔍

Entryinfo

Created: 01/17/2018 07:53
Updated: 12/23/2019 17:50
Changes: 01/17/2018 07:53 (61), 12/23/2019 17:50 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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