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CVE-2021-29428 Detail

Description

In Gradle before version 7.0, on Unix-like systems, the system temporary directory can be created with open permissions that allow multiple users to create and delete files within it. Gradle builds could be vulnerable to a local privilege escalation from an attacker quickly deleting and recreating files in the system temporary directory. This vulnerability impacted builds using precompiled script plugins written in Kotlin DSL and tests for Gradle plugins written using ProjectBuilder or TestKit. If you are on Windows or modern versions of macOS, you are not vulnerable. If you are on a Unix-like operating system with the "sticky" bit set on your system temporary directory, you are not vulnerable. The problem has been patched and released with Gradle 7.0. As a workaround, on Unix-like operating systems, ensure that the "sticky" bit is set. This only allows the original user (or root) to delete a file. If you are unable to change the permissions of the system temporary directory, you can move the Java temporary directory by setting the System Property `java.io.tmpdir`. The new path needs to limit permissions to the build user only. For additional details refer to the referenced GitHub Security Advisory.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://docs.gradle.org/7.0/release-notes.html#security-advisories Release Notes  Vendor Advisory 
https://github.com/gradle/gradle/pull/15240 Patch  Third Party Advisory 
https://github.com/gradle/gradle/pull/15654 Patch  Third Party Advisory 
https://github.com/gradle/gradle/security/advisories/GHSA-89qm-pxvm-p336 Exploit  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-378 Creation of Temporary File With Insecure Permissions GitHub, Inc.  
CWE-379 Creation of Temporary File in Directory with Insecure Permissions GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-29428
NVD Published Date:
04/13/2021
NVD Last Modified:
10/20/2021
Source:
GitHub, Inc.