Root code execution via writable PATH directories
Published Jun 14, 2024 · Updated Feb 13, 2025
Incorrect permissions in Toshiba Tec e-STUDIO MFP firmware allow local users to execute arbitrary code with root privileges. The firmware places world-writable bin and sbin directories before standard system directories in PATH, so a planted executable replaces an intended command when a root process resolves a bare program name. Local write access is sufficient; remote compromise requires chaining a separate file-upload flaw, and successful exploitation gives control of the printer without reported external data leakage.
Summary
What happened
Incorrect permissions in Toshiba Tec e-STUDIO MFP firmware allow local users to execute arbitrary code with root privileges. The firmware places world-writable bin and sbin directories before standard system directories in PATH, so a planted executable replaces an intended command when a root process resolves a bare program name. Local write access is sufficient; remote compromise requires chaining a separate file-upload flaw, and successful exploitation gives control of the printer without reported external data leakage.
The record
- CVE
- CVE-2024-27148
- Published
- Jun 14, 2024
- Updated
- Feb 13, 2025
- Vendor
- Toshiba Tec Corporation
- Product
- e-STUDIO2610AC
- Classifications
- CWE-276, T1574.007
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 14, 2024CVE publishedPublication date reported by the CVE source.
- Feb 13, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=0 <=*
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Insecure PATH privilege-escalation procedurefunctional · demonstrated
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Technologies
Your stack
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Your stack
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