CVE intelligence and bounded remediation

CVE-2019-8345 — Estrongs Es File Explorer File Manager security vulnerability

Medium CVSS 4.3

The Help feature in the ES File Explorer File Manager application 4.1.9.7.4 for Android allows session hijacking by a Man-in-the-middle attacker on the local network because HTTPS is not used, and an attacker's web site is displayed in a WebView with no information about the URL.

Severity
Medium
CVSS
4.3 (2.0)
Published
2019-02-15
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-319

Affected products

  • estrongs / es_file_explorer_file_manager / 4.1.9.7.4

Matched remediation archetype

Cryptography, certificate, signature, and channel validation

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Check exposure

  • Inventory affected algorithms, key uses, trust stores, certificate validation settings, random sources, and plaintext channels across clients and services.
  • Determine which secrets, identities, signatures, or data protections depend on the affected primitive or validation path.
  • Check debug, compatibility, fallback, and hostname or audience override settings in build and runtime configuration.

Remediate safely

  • Use a maintained platform cryptographic API with approved algorithms, modes, parameters, randomness, and full peer identity validation.
  • Remove insecure fallback and validation bypasses; separate keys by purpose and load them from managed secret storage.
  • Plan rotation or reissuance for affected keys, certificates, tokens, hashes, or ciphertext and document compatibility sequencing.

Authoritative sources

Complete CVE record and remediation plan

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