CVE-2018-12026: Phusion Passenger SpawningKit Contains Arbitrary Read/Write Vulnerability

CVE-2018-12026 · Severity: low · CVSS 3 · Published 2022-05-14

Phusion Passenger SpawningKit Contains Arbitrary Read/Write Vulnerability

Technologies: passenger (RubyGems). Vendors: RubyGems.

Quick answers

Is CVE-2018-12026 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2018-12026 being exploited in the wild.
How severe is CVE-2018-12026?
Low severity, with a CVSS score of 3, published 14 May 2022.
Which products and versions are affected?
passenger (RubyGems) ECOSYSTEM:introduced=5.3.0,fixed=5.3.2.
Is there a fix for CVE-2018-12026?
Yes. passenger (RubyGems): upgrade to 5.3.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2018-12026?
Check whether you run passenger (RubyGems) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • passenger (RubyGems): upgrade to 5.3.2 or later
    bundle update passenger

Affected products

  • passenger (RubyGems) ECOSYSTEM:introduced=5.3.0,fixed=5.3.2

Identifiers

  • CVE-2018-12026
  • GHSA-7cv3-gvmc-8mq5

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