CVE intelligence and bounded remediation

CVE-2023-31123 — `effectindex/tripreporter` is a community-powered, universal platform for submitting and analyzing trip reports

Critical CVSS 9.1

`effectindex/tripreporter` is a community-powered, universal platform for submitting and analyzing trip reports. Prior to commit bd80ba833b9023d39ca22e29874296c8729dd53b, any user with an account on an instance of `effectindex/tripreporter`, e.g. `subjective.report`, may be affected by an improper password verification vulnerability. The vulnerability allows any user with a password matching the password requirements to log in as any user. This allows access to accounts / data loss of the user. This issue is patched in commit bd80ba833b9023d39ca22e29874296c8729dd53b. No action necessary for users of `subjective.report`, and anyone running their own instance should update to this commit or newer as soon as possible. As a workaround, someone running their own instance may apply the patch manually.

Severity
Critical
CVSS
9.1 (3.1)
Published
2023-05-08
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-287

Affected products

  • effectindex / tripreporter

Matched remediation archetype

Authentication bypass and missing authentication

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Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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