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CVE-2022-1537

Status Candidate

Overview

file.copy operations in GruntJS are vulnerable to a TOCTOU race condition leading to arbitrary file write in GitHub repository gruntjs/grunt prior to 1.5.3. This vulnerability is capable of arbitrary file writes which can lead to local privilege escalation to the GruntJS user if a lower-privileged user has write access to both source and destination directories as the lower-privileged user can create a symlink to the GruntJS user's .bashrc file or replace /etc/shadow file if the GruntJS user is root.

Related Files

Ubuntu Security Notice USN-5847-1
Posted Feb 8, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5847-1 - It was discovered that Grunt was not properly loading YAML files before parsing them. An attacker could possibly use this issue to execute arbitrary code. It was discovered that Grunt was not properly handling symbolic links when performing file copy operations. An attacker could possibly use this issue to expose sensitive information or execute arbitrary code.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-7729, CVE-2022-0436, CVE-2022-1537
SHA-256 | fd1cc18e822dad735d8f6c62fd1c2f333eab8fdd25f0f9c96985674a1e4fd27b
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