Linux Kernel up to 5.4.6 USB Device kvaser_usb_leaf.c information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.4.6. It has been classified as problematic. Affected by this issue is some unknown functionality of the file drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c of the component USB Device Handler. Performing a manipulation results in information disclosure. This vulnerability is identified as CVE-2019-19947. The attack may be carried out on the physical device. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 5.4.6 (Operating System). This affects an unknown code block of the file drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c of the component USB Device Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

In the Linux kernel through 5.4.6, there are information leaks of uninitialized memory to a USB device in the drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c driver, aka CID-da2311a6385c.

The weakness was released 12/24/2019. This vulnerability is uniquely identified as CVE-2019-19947 since 12/23/2019. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

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

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
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: 🔍

Patch: github.com

Timelineinfo

12/23/2019 🔍
12/24/2019 +1 days 🔍
12/24/2019 +0 days 🔍
03/16/2024 +1544 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: da2311a6385c3b499da2ed5d9be59ce331fa93e9
Status: Not defined

CVE: CVE-2019-19947 (🔍)
GCVE (CVE): GCVE-0-2019-19947
GCVE (VulDB): GCVE-100-147621

Entryinfo

Created: 12/24/2019 09:52
Updated: 03/16/2024 14:55
Changes: 12/24/2019 09:52 (37), 12/24/2019 09:57 (18), 03/16/2024 14:52 (5), 03/16/2024 14:55 (1)
Complete: 🔍
Cache ID: 216::103

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