Information disclosure in Apache CouchDB



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-26268
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
 CouchDB
Server applications / Database software

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper access control

EUVDB-ID: #VU75675

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-26268

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the couchjs processes. 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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CouchDB: 3.0.0 - 3.3.1

CPE2.3 External links

https://docs.couchdb.org/en/stable/cve/2023-26268.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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