Potential exponential regex in monitor mode
CVE-2021-29469

5.3MEDIUM

Key Information:

Vendor

Noderedis

Status
Node-redis
Vendor
CVE Published:
23 April 2021

What is CVE-2021-29469?

Node-redis is a Node.js Redis client. Before version 3.1.1, when a client is in monitoring mode, the regex begin used to detected monitor messages could cause exponential backtracking on some strings. This issue could lead to a denial of service. The issue is patched in version 3.1.1.

Affected Version(s)

node-redis < 3.1.1

References

https://github.com/NodeRedis/node-redis/security/advisori...
x_refsource_CONFIRM
https://github.com/NodeRedis/node-redis/commit/2d11b6dc9b...
x_refsource_MISC
https://github.com/NodeRedis/node-redis/releases/tag/v3.1.1
x_refsource_MISC

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.