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Review reviewHigh

CVE-2017-14919

CADRA, node.js

Node.js before 4.8.5, 6.x before 6.11.5, and 8.x before 8.8.0 allows remote attackers to cause a denial of service (uncaught exception and crash) by leveraging a change in the zlib module 1.2.9 making 8 an invalid value for the windowBits parameter.

CVSS
7.5
EPSS
8.24%
94.3% percentile
CISA KEV
Not listed
Published
2017.10.31
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability8.24%
Technical severityCVSS 7.5

Vulnerability overview

Node.js before 4.8.5, 6.x before 6.11.5, and 8.x before 8.8.0 allows remote attackers to cause a denial of service (uncaught exception and crash) by leveraging a change in the zlib module 1.2.9 making 8 an invalid value for the windowBits parameter.

Affected product and versions

Product
CADRA, node.js
Affected versions
< V2511, 4.8.2, 4.8.3, 4.8.4, 6.10.2, 6.10.3, 6.11.0, 6.11.1, 6.11.2, 6.11.3, 6.11.4, 8.0.0, 8.1.0, 8.1.1, 8.1.2, 8.1.3, 8.1.4, 8.2.0, 8.2.1, 8.3.0
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that CADRA, node.js and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-20