CVE-2021-22118: Local Privilege Escalation within Spring Webflux Multipart Request Handling

MEDIUM | MAY 25, 2021 | CVE-2021-22118

Description

In Spring Framework, versions 5.2.x prior to 5.2.15 and versions 5.3.x prior to 5.3.7, a WebFlux application is vulnerable to a privilege escalation: by (re)creating the temporary storage directory, a locally authenticated malicious user can read or modify files that have been uploaded to the WebFlux application, or overwrite arbitrary files with multipart request data.

Spring MVC applications are not affected by this vulnerability, nor are applications that do not handle multipart file requests.

Affected Spring Products and Versions

  • Spring Framework
    • 5.2.0 to 5.2.14
    • 5.3.0 to 5.3.6

Mitigation

Users of affected versions should apply the following mitigation. 5.3.x users should upgrade to 5.3.7. 5.2.x users should upgrade to 5.2.15. No other steps are necessary. Releases that have fixed this issue include:

  • Spring Framework
    • 5.3.7

CVE-2020-5427: Possibility of SQL Injection in Spring Cloud Data Flow Task Execution Sorting Query

MEDIUM | JANUARY 25, 2021 | CVE-2020-5427

Description

In Spring Cloud Data Flow, versions 2.6.x prior to 2.6.5, versions 2.5.x prior 2.5.4, an application is vulnerable to SQL injection when requesting task execution.

Affected Spring Products and Versions

  • Spring Cloud Data Flow
    • 2.6.x
    • 2.5.x

Mitigation

Users should upgrade to 2.5.4 and higher. Releases that have fixed this issue include:

  • Spring Cloud Data Flow
    • 2.7.0
    • 2.6.5

CVE-2020-5428: Possibility of SQL Injection in Spring Cloud Task Execution Sorting Query

LOW | JANUARY 25, 2021 | CVE-2020-5428

Description

In applications using Spring Cloud Task 2.2.4.RELEASE and below, may be vulnerable to SQL injection when exercising certain lookup queries in the TaskExplorer.

Affected Spring Products and Versions

  • Spring Cloud Task
    • 2.2.4 and below

Mitigation

Users should upgrade to 2.2.5 and higher. Releases that have fixed this issue include:

  • Spring Cloud Task
    • 2.3.0

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