Privilege escalation in Apache CouchDB



Published: 2020-05-20
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-1955
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
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CouchDB
Server applications / Database software

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU28138

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1955

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to improper access restrictions configured by the require_valid_user_except_for_up configuration setting. A remote authenticated user can bypass implemented security restrictions and elevate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CouchDB: 3.0.0

External links

http://docs.couchdb.org/en/stable/whatsnew/3.0.html#version-3-0-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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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