Arbitrary file access via TFTP path traversal
Published Jun 21, 2024 · Updated Sep 15, 2024
Path traversal in Distinct Intranet Servers 3.10 and earlier allows remote attackers to read or write arbitrary files via TFTP GET or PUT. The TFTP Server fails to reject dot-dot path segments in request filenames, so resolved paths can escape the configured transfer root. No authentication or user interaction is required; reads expose host files, while writes can place attacker-controlled files with the server process permissions.
Summary
What happened
Path traversal in Distinct Intranet Servers 3.10 and earlier allows remote attackers to read or write arbitrary files via TFTP GET or PUT. The TFTP Server fails to reject dot-dot path segments in request filenames, so resolved paths can escape the configured transfer root. No authentication or user interaction is required; reads expose host files, while writes can place attacker-controlled files with the server process permissions.
The record
- CVE
- CVE-2012-6664
- Published
- Jun 21, 2024
- Updated
- Sep 15, 2024
- Vendor
- Distinct
- Product
- Intranet Servers
- Classifications
- CWE-22, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 21, 2024CVE publishedPublication date reported by the CVE source.
- Sep 15, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=3.01 <3.10
What conditions does exploitation require?
What is affected?
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
- Distinct TFTP Server 3.10 Directory Traversal Proof of Conceptproof of concept · demonstrated
- Distinct TFTP 3.10 Writable Directory Traversal Executionweaponized · validated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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