Summaryinfo

A vulnerability has been found in Sinatra rack-protection up to 2.0.0.rc3 and classified as problematic. This vulnerability affects unknown code. The manipulation leads to information disclosure. This vulnerability was named CVE-2018-1000119. The attack can be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Sinatra rack-protection up to 2.0.0.rc3. This affects an unknown function. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on integrity. The summary by CVE is:

Sinatra rack-protection version 2.0.0.rc3 and earlier contains a timing attack vulnerability in the CSRF token checking that can result in signatures can be exposed. This attack appear to be exploitable via network connectivity to the ruby application. This vulnerability appears to have been fixed in 2.0.0.

The bug was discovered 03/07/2018. The weakness was disclosed 03/07/2018 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2018-1000119 since 03/07/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 109365 (Amazon Linux 2 : pcs (ALAS-2018-1005)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236719 (Red Hat Update for pcs (RHSA-2018:1060)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (109365). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Sinatra

Name

• rack-protection

Version

• 2.0.0.rc1
• 2.0.0.rc2
• 2.0.0.rc3

License

• open-source

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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Discussion