pillarjs path-to-regexp up to 0.1.9 redos

Summaryinfo

A vulnerability marked as critical has been reported in pillarjs path-to-regexp up to 0.1.9. This affects an unknown part. Performing a manipulation results in redos. This vulnerability is identified as CVE-2024-45296. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in pillarjs path-to-regexp up to 0.1.9. This affects an unknown code. The manipulation with an unknown input leads to a redos vulnerability. CWE is classifying the issue as CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. This is going to have an impact on availability. The summary by CVE is:

path-to-regexp turns path strings into a regular expressions. In certain cases, path-to-regexp will output a regular expression that can be exploited to cause poor performance. Because JavaScript is single threaded and regex matching runs on the main thread, poor performance will block the event loop and lead to a DoS. The bad regular expression is generated any time you have two parameters within a single segment, separated by something that is not a period (.). For users of 0.1, upgrade to 0.1.10. All other users should upgrade to 8.0.0.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2024-45296 since 08/26/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1449.003 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 209179 (CBL Mariner 2.0 Security Update: reaper (CVE-2024-45296)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.1.10 or 8.0.0 eliminates this vulnerability. Applying the patch 29b96b4a1de52824e1ca0f49a701183cc4ed476f is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (209179) and CERT Bund (WID-SEC-2024-3534). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• Red Hat Enterprise Linux
• Red Hat Trusted Profile Analyzer
• Atlassian Bitbucket

Productinfo

Vendor

• pillarjs

Name

• path-to-regexp

Version

• 0.1.0
• 0.1.1
• 0.1.2
• 0.1.3
• 0.1.4
• 0.1.5
• 0.1.6
• 0.1.7
• 0.1.8
• 0.1.9

License

• open-source

Website

• Product: https://github.com/pillarjs/path-to-regexp/

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