Ruby on Rails up to 5.1.4 find_by Name sql injection ⚔ [Disputed]

Summaryinfo

A vulnerability, which was classified as critical, was found in Ruby on Rails up to 5.1.4. Affected is the function find_by. Such manipulation of the argument Name as part of Parameter leads to sql injection. This vulnerability is documented as CVE-2017-17916. The attack can be executed remotely. There is not any exploit available. The existence of this vulnerability is still disputed at present.

Detailsinfo

A vulnerability was found in Ruby on Rails up to 5.1.4 (Programming Language Software). It has been rated as critical. Affected by this issue is the function find_by. The manipulation of the argument name as part of a Parameter leads to a sql injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

SQL injection vulnerability in the 'find_by' method in Ruby on Rails 5.1.4 and earlier allows remote attackers to execute arbitrary SQL commands via the 'name' parameter.

The bug was discovered 12/27/2017. The weakness was released 12/29/2017 (Website). The advisory is shared for download at kay-malwarebenchmark.github.io. This vulnerability is handled as CVE-2017-17916 since 12/26/2017. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1505.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The real existence of this vulnerability is still doubted at the moment. The vulnerability scanner Nessus provides a plugin with the ID 232038 (Linux Distros Unpatched Vulnerability : CVE-2017-17916), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (232038). Entries connected to this vulnerability are available at VDB-111177, VDB-111178 and VDB-111179. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Programming Language Software

Name

• Ruby on Rails

Version

• 5.1.0
• 5.1.1
• 5.1.2
• 5.1.3
• 5.1.4

License

• open-source

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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