CVE-2020-0039 — In rw_i93_sm_update_ndef of rw_i93

In rw_i93_sm_update_ndef of rw_i93.cc, there is a possible read of uninitialized data due to a missing bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVe

01What is this vulnerability?

In rw_i93_sm_update_ndef of rw_i93.cc, there is a possible read of uninitialized data due to a missing bounds check. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10Android ID: A-143155861

02Affected products

Vendor	Product	Versions
n	a / Android	Android-8.0 Android-8.1 Android-9 Android-10

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

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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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: 2020-03-10T19:56:19.000Z
• Last modified: 2024-08-04T05:47:40.481Z

09References

• source.android.com — https://source.android.com/security/bulletin/2020-03-01