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Date: Tue, 12 Dec 2023 20:09:47 +0000
From: Nick Vatamaniuc <vatamane@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2023-45725: Apache CouchDB, IBM Cloudant: Privilege Escalation
Using _design Documents
Severity: moderate
Affected versions:
- Apache CouchDB through 3.3.2
- IBM Cloudant before 8413
Description:
Design document functions which receive a user http request object may expose authorization or session cookie headers of the user who accesses the document.
These design document functions are:
* list
* show
* rewrite
* update
An attacker can leak the session component using an HTML-like output, insert the session as an external resource (such as an image), or store the credential in a _local document with an "update" function.
For the attack to succeed the attacker has to be able to insert the design documents into the database, then manipulate a user to access a function from that design document.
Workaround: Avoid using design documents from untrusted sources which may attempt to access or manipulate request object's headers
Credit:
Natan Nehorai from the JFrog Vulnerability Research Team (finder)
Or Peles from the JFrog Vulnerability Research Team (reporter)
Richard Ellis from IBM/Cloudant Team (finder)
Mike Rhodes from IBM/Cloudant Team (finder)
References:
https://docs.couchdb.org/en/stable/cve/2023-45725.html
https://couchdb.apache.org/
https://www.cve.org/CVERecord?id=CVE-2023-45725
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