The caching functionality in the TrustManagerImpl class in TrustManagerImpl.java in Conscrypt in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49H, and 6.x before 2016-03-01 mishandles the distinction between an intermediate CA and a trusted root CA, which allows man-in-the-middle attackers to spoof servers by leveraging access to an intermediate CA to issue a certificate, aka internal bug 26232830.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Android | 4.0 (including) | 4.0 (including) | |
| Android | 4.0.1 (including) | 4.0.1 (including) | |
| Android | 4.0.2 (including) | 4.0.2 (including) | |
| Android | 4.0.3 (including) | 4.0.3 (including) | |
| Android | 4.0.4 (including) | 4.0.4 (including) | |
| Android | 4.1 (including) | 4.1 (including) | |
| Android | 4.1.2 (including) | 4.1.2 (including) | |
| Android | 4.2 (including) | 4.2 (including) | |
| Android | 4.2.1 (including) | 4.2.1 (including) | |
| Android | 4.2.2 (including) | 4.2.2 (including) | |
| Android | 4.3 (including) | 4.3 (including) | |
| Android | 4.3.1 (including) | 4.3.1 (including) | |
| Android | 4.4 (including) | 4.4 (including) | |
| Android | 4.4.1 (including) | 4.4.1 (including) | |
| Android | 4.4.2 (including) | 4.4.2 (including) | |
| Android | 4.4.3 (including) | 4.4.3 (including) | |
| Android | 5.0 (including) | 5.0 (including) | |
| Android | 5.0.1 (including) | 5.0.1 (including) | |
| Android | 5.0.2 (including) | 5.0.2 (including) | |
| Android | 5.1 (including) | 5.1 (including) | |
| Android | 5.1.0 (including) | 5.1.0 (including) | |
| Android | 5.1.1 (including) | 5.1.1 (including) | |
| Android | 6.0 (including) | 6.0 (including) | |
| Android | 6.0.1 (including) | 6.0.1 (including) | |
| Android | Ubuntu | trusty | * |
| Android | Ubuntu | vivid/stable-phone-overlay | * |
| Android | Ubuntu | wily | * |
| Android | Ubuntu | xenial | * |
| Android | Ubuntu | yakkety | * |
| Android | Ubuntu | zesty | * |