foundation-sites up to 6.6.3 redos

Summaryinfo

A vulnerability described as problematic has been identified in foundation-sites up to 6.6.3. This impacts an unknown function. Such manipulation leads to redos. This vulnerability is uniquely identified as CVE-2020-26304. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in foundation-sites up to 6.6.3. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a redos vulnerability. Using CWE to declare the problem leads to CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. Impacted is availability. CVE summarizes:

Foundation is a front-end framework. Versions 6.3.3 and prior contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, it is unknown if any fixes are available.

The advisory is shared for download at securitylab.github.com. This vulnerability is handled as CVE-2020-26304 since 10/01/2020. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1449.003.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• foundation-sites

Version

• 6.6.0
• 6.6.1
• 6.6.2
• 6.6.3

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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