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Vulnerabilities

Vulnerability · MAL-2026-17798

Malicious code in tron-trc20-utils (RubyGems)

Published Oct 11, 2026 · catalog updated Oct 13, 2026 · Malicious code in tron-trc20-utils

Open the advisory

Exploitation likelihood is not on this record for MAL-2026-17798. A missing EPSS score is not a low risk. Compare Malicious code in tron-trc20-utils with the linked advisory before you change production.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Malicious code in tron-trc20-utils).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
  • EPSS is missing. A missing score is not a low risk.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
Awaiting synchronization with FIRST
Remediation
Not established
Affected products
RubyGems tron-trc20-utils

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (c840b18eadc331896e56720bc9a00f1239807542202bbd4ff9636737f27d0142) The gem's extconf.rb contains a base64-encoded Ruby payload that is decoded and eval'd inside a detached double-forked child during . The decoded code opens a TCP connection to 45.138.12.177:8089 and bridges it to /bin/sh, giving the remote operator an interactive shell on the installer's machine. Execution is gated by sandbox/CI-evasion checks: it skips if common CI environment variables are set, if the hostname or username matches sandbox/analyst patterns (uvm/firecracker/sandbox/vagrant/tester/analys/scanner), if the working directory is under /tmp, /opt/rubygems, or /workspace, if /proc/uptime is under 1800 seconds, and it additionally requires developer artifacts such as ~/.ssh, ~/.gitconfig, ~/.gem/credentials, ~/.npmrc, or ~/.bundle to be present. The gem's advertised identity does not match its contents: the gemspec names it , the README is for , extconf.rb calls , and the shipped library is a trivial stub exposing only VERSION, build_id, and healthy? — the install-time reverse shell is the package's only real functionality. ## Source: ossf-package-analysis (c9add94bc20b1a60a35543af695790edcf781639b586b91bc4f4349355e24cb3) The OpenSSF Package Analysis project identified 'tron-trc20-utils' @ 0.9.1 (rubygems) as malicious. It is considered malicious because: - The package executes one or more commands associated with malicious behavior.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • RubyGems tron-trc20-utils0.9.1

How to fix MAL-2026-17798

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for MAL-2026-17798. A missing EPSS score is not a low risk. Compare Malicious code in tron-trc20-utils with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 0.9.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is not on this record yet. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 11, 2026 · Catalog

    Detected

    --- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (c840b18eadc331896e56720bc9a00f1239807542202bbd4ff9636737f27d0142) The gem's extconf.rb contains a base64-encoded Ruby payload that is decoded and eval'd inside a detached double-forked child during . The decoded code opens a TCP connection to 45.138.12.177:8089 and bridges it to /bin/sh, giving the remote oper

  2. Oct 13, 2026 · Catalog

    Updated

    --- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (c840b18eadc331896e56720bc9a00f1239807542202bbd4ff9636737f27d0142) The gem's extconf.rb contains a base64-encoded Ruby payload that is decoded and eval'd inside a detached double-forked child during . The decoded code opens a TCP connection to 45.138.12.177:8089 and bridges it to /bin/sh, giving the remote oper

Sources

References

Freshness

Last verified in this catalog Oct 13, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.