TG Soft Vir.IT eXplorer Lite 8.5.65 Driver VIRAGTLT.SYS input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in TG Soft Vir.IT eXplorer Lite 8.5.65. It has been classified as critical. The impacted element is an unknown function in the library VIRAGTLT.SYS of the component Driver. The manipulation leads to input validation. This vulnerability is listed as CVE-2017-17803. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in TG Soft Vir.IT eXplorer Lite 8.5.65. It has been rated as critical. This issue affects an unknown code block in the library VIRAGTLT.SYS of the component Driver. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

In TG Soft Vir.IT eXplorer Lite 8.5.65, the driver file (VIRAGTLT.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 0x82736068, a different vulnerability than CVE-2017-17475.

The bug was discovered 12/19/2017. The weakness was presented 12/20/2017 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2017-17803 since 12/20/2017. Attacking locally is a requirement. The requirement for exploitation is a simple authentication. Technical details of the vulnerability are known, but there is no available exploit.

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 $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-110842, VDB-110840, VDB-110841 and VDB-110839 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
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

12/19/2017 🔍
12/20/2017 +1 days 🔍
12/20/2017 +0 days 🔍
12/20/2017 +0 days 🔍
12/20/2017 +0 days 🔍
12/16/2019 +726 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2017-17803 (🔍)
GCVE (CVE): GCVE-0-2017-17803
GCVE (VulDB): GCVE-100-110843
See also: 🔍

Entryinfo

Created: 12/20/2017 14:18
Updated: 12/16/2019 10:16
Changes: 12/20/2017 14:18 (59), 12/16/2019 10:16 (1)
Complete: 🔍
Cache ID: 216::103

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