Vulnerability identifier: #VU56912

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-29469

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
node-redis
Web applications / JS libraries

Vendor: redis.js

Description

The vulnerability allows a remote attacker to perform a regular expression denial of service (ReDoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources, when a client is in monitoring mode. A remote attacker can trigger resource exhaustion and perform a regular expression denial of service (ReDoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

node-redis: 2.6.0 - 3.1.0

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External links
http://github.com/NodeRedis/node-redis/releases/tag/v3.1.1
http://github.com/NodeRedis/node-redis/commit/2d11b6dc9b9774464a91fb4b448bad8bf699629e
http://github.com/NodeRedis/node-redis/security/advisories/GHSA-35q2-47q7-3pc3
http://security.netapp.com/advisory/ntap-20210611-0010/

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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.