CVE-2025-59952
BaseFortify
Publication date: 2025-09-30
Last updated on: 2025-10-02
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| minio | minio-java | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
| CWE-94 | The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
This vulnerability can lead to the exposure of sensitive system information including credentials, file paths, and configuration details. Attackers can exploit it by sending crafted XML inputs that trigger substitution of system properties or environment variables, potentially compromising application security and confidentiality of sensitive data in object storage operations. [2]
Can you explain this vulnerability to me?
CVE-2025-59952 is a vulnerability in the MinIO Java SDK versions prior to 8.6.0 where XML tag values containing references to system properties or environment variables were automatically substituted with their actual values during XML processing. This unintended behavior could expose sensitive information such as credentials, file paths, or system configuration details if the XML content came from untrusted sources. [2]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection involves inspecting XML inputs processed by minio-java versions prior to 8.6.0 for references to system properties or environment variables that could be substituted. Since the vulnerability arises from XML content containing such references, you can search XML files or network traffic for patterns like ${env.VAR} or ${sys.prop}. For example, using command-line tools: 1) To scan XML files locally: grep -rE '\$\{(env|sys)\.[^}]+\}' /path/to/xml/files 2) To monitor network traffic for suspicious XML payloads, use tools like tcpdump or Wireshark to capture traffic on relevant ports and then filter for XML content containing these patterns. Note that no specific detection commands are provided in the resources, so these are general suggestions based on the vulnerability description. [2]
What immediate steps should I take to mitigate this vulnerability?
The primary mitigation is to upgrade the minio-java client to version 8.6.0 or later, where the automatic substitution of XML tag values with system properties or environment variables has been disabled. If upgrading immediately is not possible, interim measures include avoiding processing XML data from untrusted or external sources and implementing input sanitization or validation to detect and remove references to system properties or environment variables in XML content before processing. [2]