Prototype pollution in gRPC - CVE-2020-7768

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Main Vulnerability Database Vulnerabilities #VU71696

Prototype pollution in gRPC - CVE-2020-7768

Published: January 31, 2023


Vulnerability identifier: #VU71696
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-7768
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources in the loadPackageDefinition component. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


Affected software

gRPC
DataStage on Cloud Pak for Data
Voice Gateway
Cloud Pak for Security (CP4S)

How to mitigate CVE-2020-7768

Install update from vendor's website.

gRPC - addressed in versions 1.1.8, 1.24.4
Voice Gateway - addressed in versions 1.0.8.2, 1.0.8.6
Cloud Pak for Security (CP4S) - update to 1.10.14.0

External References

Related Security Bulletins