CVE-2020-0028 — In notifyNetworkTested and related functions of NetworkMonitor
In notifyNetworkTested and related functions of NetworkMonitor.java, there is a possible bypass of private DNS settings. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVe
Published
2020-02-13T14:22:35.000Z
Last modified
2024-08-04T05:47:40.574Z
01What is this vulnerability?
In notifyNetworkTested and related functions of NetworkMonitor.java, there is a possible bypass of private DNS settings. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9Android ID: A-122652057
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / Android | Android-9 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2020-02-13T14:22:35.000Z
- Last modified: 2024-08-04T05:47:40.574Z
09References
- source.android.com — https://source.android.com/security/bulletin/2020-02-01
- lists.apache.org — https://lists.apache.org/thread.html/rfc0db1f3c375087e69a239f9284ded72d04fbb5584…
- lists.apache.org — https://lists.apache.org/thread.html/r77af3ac7c3bfbd5454546e13faf7aec21d627bdcf3…
- lists.apache.org — https://lists.apache.org/thread.html/rcd37d9214b08067a2e8f2b5b4fd123a1f8cb600869…
- lists.apache.org — https://lists.apache.org/thread.html/r167dbc42ef7c59802c2ca1ac14735ef9cf687c2520…
- lists.apache.org — https://lists.apache.org/thread.html/r4e1619cfefcd031fac62064a3858f5c9229eef907b…
- lists.apache.org — https://lists.apache.org/thread.html/r2ddabd06d94b60cfb0141e4abb23201c628ab925e3…
- lists.apache.org — https://lists.apache.org/thread.html/r30a139c165b3da6e0d5536434ab1550534011b1fdf…
- lists.apache.org — https://lists.apache.org/thread.html/rf9abfc0223747a56694825c050cc6b66627a293a32…
- lists.apache.org — https://lists.apache.org/thread.html/rc9e441c1576bdc4375d32526d5cf457226928e9c87…
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