CVE-2022-26352 dotCMS dotCMS: file path flaw
In plain words: The program can be tricked into reading or writing files outside the folder it should stay in. Leaks files such as passwords and settings, or overwrites important ones.
Confirmed exploited by CISA on · US federal patch deadline Sep 15, 2022
What to do
- Install dotCMS's security update for dotCMS. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- dotCMS Unrestricted Upload of File Vulnerability
- Product
- dotCMS dotCMS
- CISA description
- dotCMS ContentResource API contains an unrestricted upload of file with a dangerous type vulnerability that allows for directory traversal, in which the file is saved outside of the intended storage location. Exploitation allows for remote code execution.
- Type of flaw
- File path flaw (CWE-22, CWE-138)
- Confirmed exploited
- Aug 25, 2022 — known to be used in ransomware attacks
- US federal patch deadline
- Sep 15, 2022
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Answering about CVE-2022-26352 ·
Questions about CVE-2022-26352
Is CVE-2022-26352 being exploited?
Yes. CISA added CVE-2022-26352 to its Known Exploited Vulnerabilities catalog on Aug 25, 2022, which means there is reliable evidence of real-world attacks, including by ransomware groups.
How do I fix CVE-2022-26352?
Install dotCMS's security update for dotCMS. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2022-26352?
Only if you use dotCMS dotCMS. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.