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Vulnerability Details : CVE-2018-11770

From version 1.3.0 onward, Apache Spark's standalone master exposes a REST API for job submission, in addition to the submission mechanism used by spark-submit. In standalone, the config property 'spark.authenticate.secret' establishes a shared secret for authenticating requests to submit jobs via spark-submit. However, the REST API does not use this or any other authentication mechanism, and this is not adequately documented. In this case, a user would be able to run a driver program without authenticating, but not launch executors, using the REST API. This REST API is also used by Mesos, when set up to run in cluster mode (i.e., when also running MesosClusterDispatcher), for job submission. Future versions of Spark will improve documentation on these points, and prohibit setting 'spark.authenticate.secret' when running the REST APIs, to make this clear. Future versions will also disable the REST API by default in the standalone master by changing the default value of 'spark.master.rest.enabled' to 'false'.
Publish Date : 2018-08-13 Last Update Date : 2018-10-26
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- CVSS Scores & Vulnerability Types

CVSS Score
4.9
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s)
CWE ID 254

- Products Affected By CVE-2018-11770

# Product Type Vendor Product Version Update Edition Language
No vulnerable product found. If the vulnerability is created recently it may take a few days to gather vulnerable products list and other information like cvss scores. Please check again in a few days.

- References For CVE-2018-11770

http://www.securityfocus.com/bid/105097
BID 105097
https://lists.apache.org/thread.html/[email protected]%3Cdev.spark.apache.org%3E
MLIST [dev] 20180813 CVE-2018-11770: Apache Spark standalone master, Mesos REST APIs not controlled by authentication
https://spark.apache.org/security.html#CVE-2018-11770 CONFIRM

- Metasploit Modules Related To CVE-2018-11770

Apache Spark Unauthenticated Command Execution
This module exploits an unauthenticated command execution vulnerability in Apache Spark with standalone cluster mode through REST API. It uses the function CreateSubmissionRequest to submit a malious java class and trigger it.
Module type : exploit Rank : excellent Platforms : Java


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