Authenticated file write via office filename traversal
Published Oct 25, 2023 · Updated Sep 12, 2024
Path traversal in XWiki Platform allows remote authenticated users to write attachment content anywhere writable during office conversion. The office importer passes an attachment's user-controlled filename into temporary-file storage without removing traversal segments, allowing resolution outside its work directory. A low-privileged account and a running office conversion process are required; a successful write can replace an extension JAR and execute Java code.
Summary
What happened
Path traversal in XWiki Platform allows remote authenticated users to write attachment content anywhere writable during office conversion. The office importer passes an attachment's user-controlled filename into temporary-file storage without removing traversal segments, allowing resolution outside its work directory. A low-privileged account and a running office conversion process are required; a successful write can replace an extension JAR and execute Java code.
The record
- CVE
- CVE-2023-37913
- Published
- Oct 25, 2023
- Updated
- Sep 12, 2024
- Vendor
- CryptPad
- Product
- XWiki Platform
- Classifications
- CWE-22, CWE-23, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Oct 25, 2023CVE publishedPublication date reported by the CVE source.
- Sep 12, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=>= 15.0-rc-1, < 15.3-rc-1
- Affected versionversion=>= 3.5-milestone-1, < 14.10.8
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
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
- Upstream office-converter path-traversal reproductionproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo