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'.
Published 2018-08-13 16:29:01
Updated 2024-06-10 19:15:18
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-11770

96.97%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2018-11770

  • Apache Spark Unauthenticated Command Execution
    Disclosure Date: 2017-12-12
    First seen: 2020-04-26
    exploit/linux/http/spark_unauth_rce
    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. Authors: - Fengwei Zhang - Imran Rashid

CVSS scores for CVE-2018-11770

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.9
MEDIUM AV:N/AC:M/Au:S/C:P/I:P/A:N
6.8
4.9
NIST
4.2
MEDIUM CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
1.6
2.5
NIST

CWE ids for CVE-2018-11770

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-11770

Products affected by CVE-2018-11770

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