A vulnerability has been found in Recurly Client .NET Library up to 1.8.0 (Software Library) and classified as critical. Affected by this vulnerability is an unknown code of the component API Key Handler. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Recurly Client .NET Library before 1.0.1, 1.1.10, 1.2.8, 1.3.2, 1.4.14, 1.5.3, 1.6.2, 1.7.1, 1.8.1 is vulnerable to a Server-Side Request Forgery vulnerability due to incorrect use of "Uri.EscapeUriString" that could result in compromise of API keys or other critical resources.

The bug was discovered 11/09/2017. The weakness was shared 11/13/2017 (Website). The advisory is shared at dev.recurly.com. This vulnerability is known as CVE-2017-0907 since 11/30/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.0.1, 1.1.10, 1.2.8, 1.3.2, 1.4.14, 1.5.3, 1.6.2, 1.7.1 or 1.8.1 eliminates this vulnerability.

Productinfo

Type

• Software Library

Name

• Recurly Client .NET Library

Version

• 1.0
• 1.1
• 1.1.0
• 1.1.1
• 1.1.2
• 1.1.3
• 1.1.4
• 1.1.5
• 1.1.6
• 1.1.7
• 1.1.8
• 1.1.9
• 1.2
• 1.2.0
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.2.6
• 1.2.7
• 1.3
• 1.3.0
• 1.3.1
• 1.4
• 1.4.0
• 1.4.1
• 1.4.2
• 1.4.3
• 1.4.4
• 1.4.5
• 1.4.6
• 1.4.7
• 1.4.8
• 1.4.9
• 1.4.10
• 1.4.11
• 1.4.12
• 1.4.13
• 1.5
• 1.5.0
• 1.5.1
• 1.5.2
• 1.6
• 1.6.0
• 1.6.1
• 1.7
• 1.8

License

• open-source

CPE 2.3info

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• 🔍
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CPE 2.2info

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• 🔍
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