The Parcel::appendFrom function in libs/binder/Parcel.cpp in Binder in Android before 5.1.1 LMY48M does not consider parcel boundaries during identification of binder objects in an append operation, which allows attackers to obtain a different applications privileges via a crafted application, aka internal bug 17312693.
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/frameworks/native/+/e68cbc3e9e66df4231e70efa3e9c41abc12aea20
- https://groups.google.com/forum/message/raw?msg=android-security-updates/1M7qbSvACjo/Y7jewiW1AwAJ
- https://android.googlesource.com/platform/frameworks/native/+/e68cbc3e9e66df4231e70efa3e9c41abc12aea20
- https://groups.google.com/forum/message/raw?msg=android-security-updates/1M7qbSvACjo/Y7jewiW1AwAJ