CVE-2020-15250 (Medium) detected in junit-4.12.jar
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CVE-2020-15250 - Medium Severity Vulnerability
Vulnerable Library - junit-4.12.jar
JUnit is a unit testing framework for Java, created by Erich Gamma and Kent Beck.
Library home page: http://junit.org
Path to dependency file: ApkSize-Analyzer/build.gradle
Path to vulnerable library: /tmp/ws-ua_20210104110111_XQMKPB/downloadResource_WRBRNP/20210104110220/junit-4.12.jar
Dependency Hierarchy:
- kotlin-test-junit-1.4.10.jar (Root Library)
- ❌ junit-4.12.jar (Vulnerable Library)
Found in HEAD commit: 6789b8db3509344e44824f785e0bbf30b0bac28b
Found in base branch: main
Vulnerability Details
In JUnit4 from version 4.7 and before 4.13.1, the test rule TemporaryFolder contains a local information disclosure vulnerability. On Unix like systems, the system's temporary directory is shared between all users on that system. Because of this, when files and directories are written into this directory they are, by default, readable by other users on that same system. This vulnerability does not allow other users to overwrite the contents of these directories or files. This is purely an information disclosure vulnerability. This vulnerability impacts you if the JUnit tests write sensitive information, like API keys or passwords, into the temporary folder, and the JUnit tests execute in an environment where the OS has other untrusted users. Because certain JDK file system APIs were only added in JDK 1.7, this this fix is dependent upon the version of the JDK you are using. For Java 1.7 and higher users: this vulnerability is fixed in 4.13.1. For Java 1.6 and lower users: no patch is available, you must use the workaround below. If you are unable to patch, or are stuck running on Java 1.6, specifying the java.io.tmpdir
system environment variable to a directory that is exclusively owned by the executing user will fix this vulnerability. For more information, including an example of vulnerable code, see the referenced GitHub Security Advisory.
Publish Date: 2020-10-12
URL: CVE-2020-15250
CVSS 3 Score Details (5.5)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: High
- Integrity Impact: None
- Availability Impact: None
Suggested Fix
Type: Upgrade version
Origin: GHSA-269g-pwp5-87pp
Release Date: 2020-07-21
Fix Resolution: junit:junit:4.13.1
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