Multiple integer overflows in the Blob class in keystore/keystore.cpp in Keystore in Android before 5.1.1 LMY48M allow attackers to execute arbitrary code and read arbitrary Keystore keys via an application that uses a crafted blob in an insert operation, aka internal bug 22802399.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Android | * | 5.1 (including) | |
| Android | Ubuntu | esm-apps/xenial | * |
| Android | Ubuntu | trusty | * |
| Android | Ubuntu | vivid | * |
| Android | Ubuntu | vivid/stable-phone-overlay | * |
| Android | Ubuntu | wily | * |
| Android | Ubuntu | xenial | * |
| Android | Ubuntu | yakkety | * |
| Android | Ubuntu | zesty | * |
References
- https://android.googlesource.com/platform/system/security/+/bb9f4392c2f1b11be3acdc1737828274ff1ec55b
- https://groups.google.com/forum/message/raw?msg=android-security-updates/1M7qbSvACjo/Y7jewiW1AwAJ
- https://android.googlesource.com/platform/system/security/+/bb9f4392c2f1b11be3acdc1737828274ff1ec55b
- https://groups.google.com/forum/message/raw?msg=android-security-updates/1M7qbSvACjo/Y7jewiW1AwAJ