class-transformer up to 0.2.3 classToPlainFromExist input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in class-transformer up to 0.2.3. It has been classified as critical. This vulnerability affects the function classToPlainFromExist. This manipulation causes input validation. This vulnerability is registered as CVE-2020-7637. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in class-transformer up to 0.2.3 and classified as critical. Affected by this vulnerability is the function classToPlainFromExist. 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. The summary by CVE is:

class-transformer through 0.2.3 is vulnerable to Prototype Pollution. The 'classToPlainFromExist' function could be tricked into adding or modifying properties of 'Object.prototype' using a '__proto__' payload.

The weakness was published 04/06/2020. This vulnerability is known as CVE-2020-7637 since 01/21/2020. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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: No
Local: No
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: 🔍

Patch: github.com

Timelineinfo

01/21/2020 🔍
04/06/2020 +76 days 🔍
04/07/2020 +1 days 🔍
05/17/2024 +1501 days 🔍

Sourcesinfo

Advisory: 8f04eb9db02de708f1a20f6f2d2bb309b2fed01e
Status: Not defined

CVE: CVE-2020-7637 (🔍)
GCVE (CVE): GCVE-0-2020-7637
GCVE (VulDB): GCVE-100-152815

Entryinfo

Created: 04/07/2020 09:40
Updated: 05/17/2024 09:54
Changes: 04/07/2020 09:40 (34), 04/07/2020 09:45 (17), 05/17/2024 09:54 (19)
Complete: 🔍
Cache ID: 216::103

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