#VU71696 Prototype pollution in gRPC


Published: 2023-01-31

Vulnerability identifier: #VU71696

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-7768

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
gRPC
Server applications / Frameworks for developing and running applications

Vendor:

Description

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions


External links
http://github.com/grpc/grpc-node/pull/1606
http://github.com/grpc/grpc-node/pull/1605
http://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038819
http://snyk.io/vuln/SNYK-JS-GRPC-598671
http://snyk.io/vuln/SNYK-JS-GRPCGRPCJS-1038818


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability