Vulnerability CVE-2018-15728


Published: 2018-08-24

Description:
Couchbase Server exposed the '/diag/eval' endpoint which by default is available on TCP/8091 and/or TCP/18091. Authenticated users that have 'Full Admin' role assigned could send arbitrary Erlang code to the 'diag/eval' endpoint of the API and the code would subsequently be executed in the underlying operating system with privileges of the user which was used to start Couchbase. Affects Version: 4.0.0, 4.1.2, 4.5.1, 5.0.0, 4.6.5, 5.0.1, 5.1.1, 5.5.0, 5.5.1. Fix Version: 6.0.0, 5.5.2

See advisories in our WLB2 database:
Topic
Author
Date
High
Couchbase Server Remote Code Execution
Filip Palian
24.08.2018

Type:

CWE-94

(Improper Control of Generation of Code ('Code Injection'))

CVSS2 => (AV:N/AC:L/Au:S/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9/10
10/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Couchbase -> Server 
Couchbase -> Couchbase server 

 References:
http://seclists.org/bugtraq/2018/Aug/49
http://www.securityfocus.com/bid/105157
https://www.couchbase.com/resources/security#SecurityAlerts

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