CPython up to 3.8.1 on Windows 7 Dependency Load api-ms-win-core-path-l1-1-0.dll input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in CPython on Windows 7. The affected element is an unknown function in the library api-ms-win-core-path-l1-1-0.dll of the component Dependency Load Handler. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2020-8315. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in CPython on Windows 7 (Programming Language Software). It has been rated as critical. This issue affects an unknown functionality in the library api-ms-win-core-path-l1-1-0.dll of the component Dependency Load Handler. 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 integrity. The summary by CVE is:

In Python (CPython) 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1, an insecure dependency load upon launch on Windows 7 may result in an attacker's copy of api-ms-win-core-path-l1-1-0.dll being loaded and used instead of the system's copy. Windows 8 and later are unaffected.

The weakness was disclosed 01/28/2020. The identification of this vulnerability is CVE-2020-8315. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
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: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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

01/28/2020 🔍
01/28/2020 +0 days 🔍
01/29/2020 +1 days 🔍
03/27/2024 +1519 days 🔍

Sourcesinfo

Advisory: bugs.python.org
Status: Not defined

CVE: CVE-2020-8315 (🔍)
GCVE (CVE): GCVE-0-2020-8315
GCVE (VulDB): GCVE-100-149507

Entryinfo

Created: 01/29/2020 08:03
Updated: 03/27/2024 12:39
Changes: 01/29/2020 08:03 (36), 01/29/2020 08:08 (17), 03/27/2024 12:39 (18)
Complete: 🔍
Cache ID: 216:E11:103

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