Realtek NDIS Driver 10.1.505.2015 rt640x64.sys null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Realtek NDIS Driver 10.1.505.2015. It has been declared as critical. This issue affects some unknown processing in the library rt640x64.sys. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2019-11867. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Realtek NDIS Driver 10.1.505.2015 (Hardware Driver Software) and classified as critical. Affected by this issue is some unknown processing in the library rt640x64.sys. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Realtek NDIS driver rt640x64.sys, file version 10.1.505.2015, fails to do any size checking on an input buffer from user space, which the driver assumes has a size greater than zero bytes. To exploit this vulnerability, an attacker must send an IRP with a system buffer size of 0.

The weakness was shared 02/12/2020. This vulnerability is handled as CVE-2019-11867 since 05/09/2019. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

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

Once again VulDB remains the best source 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: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
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: Null pointer dereference
CWE: CWE-476 / CWE-404
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

05/09/2019 🔍
02/12/2020 +279 days 🔍
02/13/2020 +1 days 🔍
03/30/2024 +1507 days 🔍

Sourcesinfo

Advisory: downwithup.github.io
Status: Not defined

CVE: CVE-2019-11867 (🔍)
GCVE (CVE): GCVE-0-2019-11867
GCVE (VulDB): GCVE-100-150044

Entryinfo

Created: 02/13/2020 08:12
Updated: 03/30/2024 14:41
Changes: 02/13/2020 08:12 (35), 02/13/2020 08:17 (18), 03/30/2024 14:41 (17)
Complete: 🔍
Cache ID: 216::103

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