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
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, which was classified as critical, has been found in K7 Antivirus up to 15.1. This vulnerability affects unknown code of the component IOCTL Call Handler. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2017-16552. Local access is required to approach this attack. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in K7 Antivirus up to 15.1 (Anti-Malware Software). This issue affects an unknown functionality 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:

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 disclosed 01/16/2018 (Website). The advisory is shared at support.k7computing.com. The identification of this vulnerability is CVE-2017-16552 since 11/06/2017. An attack has to be approached locally. The successful exploitation needs a simple authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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-111914, VDB-111915 and VDB-111919 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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-2017-16552 (🔍)
GCVE (CVE): GCVE-0-2017-16552
GCVE (VulDB): GCVE-100-111917
See also: 🔍

Entryinfo

Created: 01/17/2018 07:53
Updated: 12/23/2019 17:21
Changes: 01/17/2018 07:53 (61), 12/23/2019 17:21 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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