Information disclosure in Apache Couchdb
CVE-2023-26268
Design documents with matching document IDs, from databases on the same cluster, may share a mutable Javascript environment when using these design document functions: * validate_doc_update * list * filter * filter views (using view functions as filters) * rewrite * update This doesn't affect map/reduce or search (Dreyfus) index functions. Users are recommended to upgrade to a version that is no longer affected by this issue (Apache CouchDB 3.3.2 or 3.2.3). Workaround: Avoid using design documents from untrusted sources which may attempt to cache or store data in the Javascript environment.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.014 (72.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Apache Couchdb
- Apache Software Foundation Couchdb — versions 0
- Apache Software Foundation IBM Cloudant — versions 0
- IBM Cloudant
Weakness classification (CWE)
References
- lists.apache.org/thread/r2wvjfysg3d92lhhjd1qh3wfr8mlp0pp (vendor-advisory, Mailing List)
- docs.couchdb.org/en/stable/cve/2023-26268.html (release-notes, Vendor Advisory)
- lists.apache.org/thread/ldkqs0nhpmho26bdxf4fon7w75hsq5gl (vendor-advisory, Mailing List)
Frequently asked questions
- What is CVE-2023-26268?
- CVE-2023-26268 is a medium-severity vulnerability in Apache Couchdb, classified under Information Disclosure. CVSS score: 4.4/10. Published 2023-05-02.
- How severe is CVE-2023-26268?
- Medium severity. CVSS v3 base score is 4.4 out of 10.