CVE intelligence and bounded remediation

CVE-2025-54769 — Xorux Lpar2Rrd security vulnerability

High CVSS 8.8

An authenticated, read-only user can upload a file and perform a directory traversal to have the uploaded file placed in a location of their choosing. This can be used to overwrite existing PERL modules within the application to achieve remote code execution (RCE) by an attacker.

Severity
High
CVSS
8.8 (3.1)
Published
2025-07-29
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-24, CWE-434, CWE-648

Affected products

  • xorux / lpar2rrd

Matched remediation archetype

Path traversal, unsafe upload, and file handling

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Check exposure

  • Trace untrusted filenames, archive entries, URLs, and path segments into read, write, include, extraction, and upload operations.
  • Identify filesystem roots, mount permissions, symbolic-link behavior, archive handling, and whether uploaded content is web-accessible or executable.
  • Review canonicalization and containment checks across supported operating systems and storage backends.

Remediate safely

  • Generate server-side storage identifiers and resolve paths beneath a fixed root using filesystem-aware containment checks.
  • Reject absolute, parent-relative, alternate-separator, device, link, and archive entries that escape the intended root.
  • Store uploads outside executable or served paths, validate type and size, and use private atomic temporary files.

Authoritative sources

Complete CVE record and remediation plan

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