Now Browser \(material\)Application · Nowbrowser

CVE-2014-5589

MEDIUM · 5.4 CVSS v2.0 Published 2014-09-09
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
59/100
Remediation priority · Elevated
No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
The Now Browser (Material) (aka com.browser.nowbasic) 2.8.1 application Material for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

The Now Browser (Material) Android application version 2.8.1 fails to validate X.509 certificates from SSL servers during HTTPS connections, enabling man-in-the-middle attackers to intercept traffic by presenting fraudulent certificates and spoof legitimate servers.

MitigationImplement proper SSL/TLS certificate chain validation and hostname verification in the application's network code, preferably using certificate pinning for sensitive endpoints.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Now Browser \(material\)Application
Affected:= 2.8.1

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Adjacent
Complexity
M
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:A/AC:M/Au:N/C:P/I:P/A:P

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify if Now Browser (Material) is installed
    On the Android device, go to Settings > Apps or check the app drawer for an app named 'Now Browser' or 'Now Browser (Material)'
    Affected if The app is present on the device and is the Now Browser application
  2. Check the installed version number
    In Settings > Apps > Now Browser (Material), look at the Version or Version name field. Alternatively, use ADB command: adb shell dumpsys package com.nowbrowser.nowbrowser.material | grep versionName
    Affected if The version displayed is exactly 2.8.1
  3. Verify HTTPS browsing capability
    Open the browser and attempt to navigate to an HTTPS website (e.g., https://example.com). The vulnerability only applies when the app makes HTTPS connections
    Affected if HTTPS connections are initiated through this browser, as the certificate validation flaw affects all HTTPS traffic from the app
  4. Check for SSL certificate validation interception
    Use a network proxy (such as Burp Suite or OWASP ZAP) configured to intercept SSL traffic. Attempt to browse an HTTPS site through the Now Browser app with the proxy's self-signed certificate. If the app loads the site without certificate warnings, validation is not occurring properly
    Affected if The browser successfully loads HTTPS sites through an intercepting proxy without presenting any certificate warning or error messages

A user is affected if the Now Browser (Material) Android app version 2.8.1 is installed and is used to browse HTTPS websites, as the app fails to properly validate SSL certificates enabling potential traffic interception.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement proper SSL/TLS certificate chain validation and hostname verification in the application's network code, preferably using certificate pinning for sensitive endpoints.

Fix this in Now Browser \(material\) Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,930
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2014-5589 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data