K7 Antivirus up to 15.1 IOCTL Call access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in K7 Antivirus up to 15.1. It has been rated as critical. This impacts an unknown function of the component IOCTL Call Handler. The manipulation leads to access control. This vulnerability is listed as CVE-2017-17429. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in K7 Antivirus up to 15.1 (Anti-Malware Software). It has been rated as critical. This issue affects an unknown function of the component IOCTL Call Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In K7 Antivirus Premium before 15.1.0.53, user-controlled input to the K7Sentry device is not sufficiently authenticated: a local user with a LOW integrity process can access a raw hard disk by sending a specific IOCTL.

The bug was discovered 01/15/2018. The weakness was presented 01/16/2018 (Website). It is possible to read the advisory at support.k7computing.com. The identification of this vulnerability is CVE-2017-17429 since 12/05/2017. Attacking locally is a requirement. The successful exploitation requires a simple authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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.

See VDB-111921, VDB-111922, VDB-111920 and VDB-111919 for similar entries. Statistical analysis made it clear that VulDB provides the best quality 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: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.5
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

12/05/2017 🔍
01/15/2018 +41 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-2017-17429 (🔍)
GCVE (CVE): GCVE-0-2017-17429
GCVE (VulDB): GCVE-100-111923
See also: 🔍

Entryinfo

Created: 01/17/2018 07:59
Updated: 12/23/2019 17:59
Changes: 01/17/2018 07:59 (61), 12/23/2019 17:59 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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