Privilege escalation via unchecked customer-directory symlinks
Published Nov 10, 2023 · Updated Aug 2, 2024
Link following in Froxlor before 2.1.0 allows remote authenticated users to redirect file operations outside assigned home directories. FileDir::makeCorrectDir normalized customer-controlled paths without resolving each component or rejecting symlinks whose targets escaped the customer document root. An authenticated customer must place a symlink and submit it through an affected directory, FTP, or subdomain path operation, causing privileged server tasks to act on unintended locations.
Summary
What happened
Link following in Froxlor before 2.1.0 allows remote authenticated users to redirect file operations outside assigned home directories. FileDir::makeCorrectDir normalized customer-controlled paths without resolving each component or rejecting symlinks whose targets escaped the customer document root. An authenticated customer must place a symlink and submit it through an affected directory, FTP, or subdomain path operation, causing privileged server tasks to act on unintended locations.
The record
- CVE
- CVE-2023-6069
- Published
- Nov 10, 2023
- Updated
- Aug 2, 2024
- Vendor
- Froxlor
- Product
- Froxlor
- Classifications
- CWE-59, CAPEC-132, T1068
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Nov 10, 2023CVE publishedPublication date reported by the CVE source.
- Aug 2, 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?
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- Affected versionversion=unspecified <2.1.0
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
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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