Apache SkyWalking up to 6.6.0/7.0.0 H2/MySQL/TiDB Parameter sql injection

Summaryinfo

A vulnerability was found in Apache SkyWalking up to 6.6.0/7.0.0. It has been rated as critical. This impacts an unknown function of the component H2/MySQL/TiDB. This manipulation as part of Parameter causes sql injection. This vulnerability is tracked as CVE-2020-9483. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Apache SkyWalking up to 6.6.0/7.0.0. It has been declared as critical. Affected by this vulnerability is an unknown function of the component H2/MySQL/TiDB. The manipulation as part of a Parameter leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

**Resolved** When use H2/MySQL/TiDB as Apache SkyWalking storage, the metadata query through GraphQL protocol, there is a SQL injection vulnerability, which allows to access unpexcted data. Apache SkyWalking 6.0.0 to 6.6.0, 7.0.0 H2/MySQL/TiDB storage implementations don't use the appropriate way to set SQL parameters.

The weakness was disclosed 06/30/2020 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2020-9483 since 03/01/2020. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/01/2020). The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Apache

Name

• SkyWalking

Version

• 6.0
• 6.1
• 6.2
• 6.3
• 6.4
• 6.5
• 6.6.0
• 7.0

License

• open-source

Website

• Vendor: https://www.apache.org/
• Product: https://github.com/apache/skywalking/

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