CVE intelligence and bounded remediation

CVE-2020-11826 — Users can lock their notes with a password in Memono version 3.8

High CVSS 7.5

Users can lock their notes with a password in Memono version 3.8. Thus, users needs to know a password to read notes. However, these notes are stored in a database without encryption and an attacker can read the password-protected notes without having the password. Notes are stored in the ZENTITY table in the memono.sqlite database.

Severity
High
CVSS
7.5 (3.1)
Published
2020-04-16
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-312

Affected products

  • appinghouse / memono / 3.8

Matched remediation archetype

SQL and data-query injection

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Check exposure

  • Trace request, message, file, and stored values into SQL, ORM query fragments, filters, sort expressions, and other data-query languages.
  • Inventory database roles, reachable schemas, multi-tenant boundaries, and whether stacked or administrative operations are enabled.
  • Check both direct queries and second-order use of previously stored values.

Remediate safely

  • Use parameterized queries or safe query builders for all values; map identifiers and operators through explicit allowlists.
  • Remove raw query concatenation and give the application account only the tables and operations it requires.
  • Update affected data-access components and add regression tests for query structure preservation with inert edge-case inputs.

Authoritative sources

Complete CVE record and remediation plan

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