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CVE-2022-31018— Denial of service binding form from JSON in Play Framework

Quick assessment

Affected
playframework playframework
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Lightbend Play Framework是美国Lightbend公司的一款使用Scala语言编写的Web应用程序框架。 Lightbend Play Framework 2.8.3 版本到 2.8.15 版本存在资源管理错误漏洞，该漏洞源于在 JSON 请求正文上使用 Form#bindFromRequest 方法或直接在 JSON 值上使用 Form#bind 方法时，会导致拒绝服务。

CVSS 7.5 · High EPSS 1.65% · P75

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2022-31018

Vulnerability Information
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Vulnerability Title
Denial of service binding form from JSON in Play Framework
Source: CVE Program / CVE List V5
Vulnerability Description
Play Framework is a web framework for Java and Scala. A denial of service vulnerability has been discovered in verions 2.8.3 through 2.8.15 of Play's forms library, in both the Scala and Java APIs. This can occur when using either the `Form#bindFromRequest` method on a JSON request body or the `Form#bind` method directly on a JSON value. If the JSON data being bound to the form contains a deeply-nested JSON object or array, the form binding implementation may consume all available heap space and cause an `OutOfMemoryError`. If executing on the default dispatcher and `akka.jvm-exit-on-fatal-error` is enabled—as it is by default—then this can crash the application process. `Form.bindFromRequest` is vulnerable when using any body parser that produces a type of `AnyContent` or `JsValue` in Scala, or one that can produce a `JsonNode` in Java. This includes Play's default body parser. This vulnerability been patched in version 2.8.16. There is now a global limit on the depth of a JSON object that can be parsed, which can be configured by the user if necessary. As a workaround, applications that do not need to parse a request body of type `application/json` can switch from the default body parser to another body parser that supports only the specific type of body they expect.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Lightbend Play Framework 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lightbend Play Framework是美国Lightbend公司的一款使用Scala语言编写的Web应用程序框架。 Lightbend Play Framework 2.8.3 版本到 2.8.15 版本存在资源管理错误漏洞，该漏洞源于在 JSON 请求正文上使用 Form#bindFromRequest 方法或直接在 JSON 值上使用 Form#bind 方法时，会导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
playframework playframework >= 2.8.3, < 2.8.16 -

II. Public POCs for CVE-2022-31018

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III. Intelligence Information for CVE-2022-31018

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Patches & Fixes for CVE-2022-31018 (1)

Vendor Advisories for CVE-2022-31018 (1)

Other References for CVE-2022-31018 (1)

IV. Related Vulnerabilities

Same product: playframework
Same vendor: playframework
Same weakness: CWE-400

V. Comments for CVE-2022-31018

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