THREATPORT/VULNERABILITY/CVE-2018-11804
HIGH SEVERITY

CVE-2018-11804

Spark vulnerability

CVSS
7.5
EPSS
5.7%
EPSS pct
92th
Exploited
No known
Spark's Apache Maven-based build includes a convenience script, 'build/mvn', that downloads and runs a zinc server to speed up compilation. It has been included in release branches since 1.3.x, up to and including master. This server will accept connections from external hosts by default. A specially-crafted request to the zinc server could cause it to reveal information in files readable to the developer account running the build. Note that this issue does not affect end users of Spark, only developers building Spark from source code.
Affected vendor
Apache
Affected product
Spark
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2018-10-24

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 5.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2018-11804

  • Confirm whether Apache Spark is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-11804.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-11804

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-11804 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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