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.
6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in K7 Antivirus up to 15.1. Affected by this issue is some unknown functionality of the component IOCTL Call Handler. Performing a manipulation results in access control. This vulnerability is known as CVE-2017-16550. Attacking locally is a requirement. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in K7 Antivirus up to 15.1 (Anti-Malware Software). This affects some unknown processing of the component IOCTL Call Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

K7 Antivirus Premium before 15.1.0.53 allows local users to write to arbitrary memory locations, and consequently gain privileges, via a specific set of IOCTL calls.

The bug was discovered 01/15/2018. The weakness was published 01/16/2018 (Website). It is possible to read the advisory at support.k7computing.com. This vulnerability is uniquely identified as CVE-2017-16550 since 11/06/2017. Attacking locally is a requirement. Required for exploitation is a 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.

Similar entries are available at VDB-111914, VDB-111917 and VDB-111919. 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: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 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-2017-16550 (🔍)
GCVE (CVE): GCVE-0-2017-16550
GCVE (VulDB): GCVE-100-111915
See also: 🔍

Entryinfo

Created: 01/17/2018 07:53
Updated: 12/23/2019 17:05
Changes: 01/17/2018 07:53 (61), 12/23/2019 17:05 (5)
Complete: 🔍
Cache ID: 216::103

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

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