CVE-2018-9589 — In ieee802_11_rx_wnmsleep_req of wnm_ap

In ieee802_11_rx_wnmsleep_req of wnm_ap.c in Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1 and Android-9, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure in the wifi driver with no additio

01What is this vulnerability?

In ieee802_11_rx_wnmsleep_req of wnm_ap.c in Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1 and Android-9, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure in the wifi driver with no additional execution privileges needed. User interaction is not needed for exploitation. Android ID: A-111893132.

02Affected products

Vendor	Product	Versions
Android	Android	Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 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: 2019-02-12T00:00:00.000Z
• Last modified: 2024-09-17T01:21:47.211Z

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/106495
• source.android.com — https://source.android.com/security/bulletin/2019-01-01.html