SB2025062727 - Link following in HashiCorp go-slug library



SB2025062727 - Link following in HashiCorp go-slug library

Published: June 27, 2025

Security Bulletin ID SB2025062727
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Link following (CVE-ID: CVE-2025-0377)

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability occurs when a non-existing user-provided path is extracted from the tar entry. A remote attacker can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.