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6.7

Android WPA Supplicant may allow local privilege escalation

CVE-2023-21203 · published 3 years ago
Summary

The WPA supplicant program that handles Wi‑Fi connections in Android can be tricked into reading the wrong part of memory. If exploited, a malicious app could gain the same rights as the operating system itself, letting it control the device without the user noticing. Keep Android devices up to date with the latest security updates and only install apps from trusted sources.

What to do
  • Update google platform/external/wpa_supplicant_8 to version 13-next:2023-06-01.
  • Update google platform/external/wpa_supplicant_8 to version 13:2023-06-01.
Affected software
Ecosystem VendorProductAffected versions
Android google platform/external/wpa_supplicant_8 >= 13-next:0, < 13-next:2023-06-01
>= 13:0, < 13:2023-06-01
Fix: upgrade to 13-next:2023-06-01
– google android 13.0
cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
Original advisory text
In startWpsPbcInternal of sta_iface.cpp, there is a possible out of bounds read due to improper input validation. This could lead to local escalation of privilege with System execution privileges n...
In startWpsPbcInternal of sta_iface.cpp, there is a possible out of bounds read due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
6.7 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-125Out-of-bounds Read
Timeline
Published1 Jun 2023
Updated30 Sep 2026
First seen10 Sep 2026
Sources
PUB-A-262246082 · OSV
CVE-2023-21203 · NVD
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