grpc/grpc-js Prototype loadPackageDefinition code injection

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability classified as critical was found in grpc and grpc-js (version now known). Affected by this vulnerability is the function loadPackageDefinition of the component Prototype Handler. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 11/11/2020 as SNYK-JS-GRPCGRPCJS-1038818. The advisory is shared at snyk.io. This vulnerability is known as CVE-2020-7768. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

Upgrading eliminates this vulnerability.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/21/2020 🔍
11/11/2020 +295 days 🔍
11/11/2020 +0 days 🔍
12/05/2020 +24 days 🔍

Sourcesinfo

Advisory: SNYK-JS-GRPCGRPCJS-1038818
Status: Confirmed

CVE: CVE-2020-7768 (🔍)

Entryinfo

Created: 11/11/2020 15:31
Updated: 12/05/2020 18:54
Changes: 11/11/2020 15:31 (37), 12/05/2020 18:50 (2), 12/05/2020 18:54 (8)
Complete: 🔍

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