Jiangmin Antivirus 16.0.0.100 Driver KrnlCall.sys input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Jiangmin Antivirus 16.0.0.100 and classified as critical. The impacted element is an unknown function in the library KrnlCall.sys of the component Driver. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2018-6771. The attack needs to be launched locally. No exploit is available.
Details
A vulnerability has been found in Jiangmin Antivirus 16.0.0.100 (Anti-Malware Software) and classified as problematic. This vulnerability affects an unknown code in the library KrnlCall.sys of the component Driver. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
In Jiangmin Antivirus 16.0.0.100, the driver file (KrnlCall.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 0x99008224.
The bug was discovered 02/06/2018. The weakness was published 02/06/2018 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-6771 since 02/06/2018. The attack needs to be approached locally. A single authentication is needed for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/02/2020).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Similar entries are available at VDB-112903, VDB-112904, VDB-112901 and VDB-112902. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
02/06/2018 🔍02/06/2018 🔍
02/06/2018 🔍
02/06/2018 🔍
02/07/2018 🔍
01/02/2020 🔍
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2018-6771 (🔍)
GCVE (CVE): GCVE-0-2018-6771
GCVE (VulDB): GCVE-100-112900
See also: 🔍
Entry
Created: 02/07/2018 08:22Updated: 01/02/2020 09:26
Changes: 02/07/2018 08:22 (58), 01/02/2020 09:26 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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