CVE-2023-26268 Apache CouchDB, IBM Cloudant: Information sharing via couchjs processes
Attackers can read sensitive data from other databases by exploiting shared mutable JavaScript environments in CouchDB design documents.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-26268?
CVE-2023-26268 is a medium-severity vulnerability in Apache CouchDB, published on 2 May 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-200
Which versions are affected by CVE-2023-26268?
1 open source package ship an affected version, including couchdb. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
couchdb Bitnami | All versions | 3.2.3, 3.3.2 |
Products include Apache Couchdb, Ibm Cloudant.
How do I fix CVE-2023-26268?
Upgrade couchdb to a fixed version for your release line: 3.2.3 or 3.3.2.
Is CVE-2023-26268 being exploited?
There is no known exploitation of CVE-2023-26268 in the wild and no public exploit code.
Other vulnerabilities in Apache CouchDB
Sources
Also known as BIT-couchdb-2023-26268, GHSA-97qc-h8j3-mgv9, UBUNTU-CVE-2023-26268.