CVE-2025-27148

Publication date 25 February 2025

Last updated 11 July 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Description

Gradle is a build automation tool, and its native-platform tool provides Java bindings for native APIs. 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. This library initialization could be vulnerable to a local privilege escalation from an attacker quickly deleting and recreating files in the system temporary directory. Gradle builds that rely on versions of net.rubygrapefruit:native-platform prior to 0.22-milestone-28 could be vulnerable to a local privilege escalation from an attacker quickly deleting and recreating files in the system temporary directory. In net.rubygrapefruit:native-platform prior to version 0.22-milestone-28, if the `Native.get(Class<>)` method was called, without calling `Native.init(File)` first, with a non-`null` argument used as working file path, then the library would initialize itself using the system temporary directory and NativeLibraryLocator.java lines 68 through 78. Version 0.22-milestone-28 has been released with changes that fix the problem. Initialization is now mandatory and no longer uses the system temporary directory, unless such a path is passed for initialization. The only workaround for affected versions is to make sure to do a proper initialization, using a location that is safe. Gradle 8.12, only that exact version, had codepaths where the initialization of the underlying native integration library took a default path, relying on copying the binaries to the system temporary directory. Any execution of Gradle exposed this exploit. Users of Windows or modern versions of macOS are not vulnerable, nor are users of a Unix-like operating system with the "sticky" bit set or `noexec` on their system temporary directory vulnerable. This problem was fixed in Gradle 8.12.1. Gradle 8.13 release also upgrades to a version of the native library that no longer has that bug. Some workarounds are available. On Unix-like operating systems, ensure that the "sticky" bit is set. This only allows the original user (or root) to delete a file. Mounting `/tmp` as `noexec` will prevent Gradle 8.12 from starting. Those who are are unable to change the permissions of the system temporary directory 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.

Status

Package Ubuntu Release Status
gradle 25.10 questing
Needs evaluation
25.04 plucky Ignored end of life, was needs-triage
24.10 oracular Ignored end of life, was needs-triage
24.04 LTS noble
Needs evaluation
22.04 LTS jammy
Needs evaluation
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

Other references

Access our resources on patching vulnerabilities