Arbitrary file upload in Apache Linkis
CVE-2023-27602
In Apache Linkis <=1.3.1, The PublicService module uploads files without restrictions on the path to the uploaded files, and file types. We recommend users upgrade the version of Linkis to version 1.3.2. For versions <=1.3.1, we suggest turning on the file path check switch in linkis.properties `wds.linkis.workspace.filesystem.owner.check=true` `wds.linkis.workspace.filesystem.path.check=true`
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Apache Linkis
- Apache Software Foundation Linkis — versions 0
Weakness classification (CWE)
References
- lists.apache.org/thread/wt70jfc0yfs6s5g0wg5dr5klnc48nsp1 (Vendor Advisory, mailing-list, vendor-advisory, Mailing List)
- www.openwall.com/lists/oss-security/2023/04/10/1 (Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2023/04/18/4
- www.openwall.com/lists/oss-security/2023/04/19/3
Frequently asked questions
- What is CVE-2023-27602?
- CVE-2023-27602 is a critical-severity vulnerability in Apache Linkis, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-04-10.
- How severe is CVE-2023-27602?
- Critical severity. CVSS v3 base score is 9.8 out of 10.