CVE-2023-41053 : Security Advisory and Response

A detailed analysis of CVE-2023-41053 focusing on the Redis SORT_RO vulnerability that may bypass ACL configuration.

Understanding CVE-2023-41053

This section provides insights into the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2023-41053?

Redis, an in-memory database that persists on disk, is susceptible to a security flaw where the

SORT_RO

command fails to correctly identify keys, potentially allowing unauthorized access by users. This vulnerability affects Redis versions 7.0 and above, with fixes implemented in versions 7.0.13 and 7.2.1.

The Impact of CVE-2023-41053

The vulnerability poses a risk of unauthorized access to keys not explicitly authorized by the ACL configuration, compromising data confidentiality.

Technical Details of CVE-2023-41053

This section delves into the specifics of the vulnerability, affected systems, and exploitation mechanisms.

Vulnerability Description

Redis versions 7.0 and newer are impacted by the SORT_RO vulnerability, which may allow users executing the command to access unauthorized keys.

Affected Systems and Versions

The vulnerability affects Redis versions >= 7.0.0 and < 7.0.13, as well as versions >= 7.1.0 and < 7.2.1.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the SORT_RO command to gain unauthorized access to keys within the database.

Mitigation and Prevention

Discover the immediate steps to secure your systems and ensure long-term protection against CVE-2023-41053.

Immediate Steps to Take

Upgrade to Redis versions 7.0.13 or 7.2.1 to mitigate the vulnerability as there are no known workarounds available.

Long-Term Security Practices

Implement robust ACL configurations, conduct regular security assessments, and stay updated on Redis security advisories to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by Redis to address potential vulnerabilities and enhance system security.