Description
mediaserver in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-06-01 does not validate OMX buffer sizes, which allows attackers to gain privileges via a crafted application, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 27207275.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | android | No fix yet | — |
References
- https://android.googlesource.com/platform/frameworks/av/+/0bb5ced60304da7f61478ffd359e7ba65d72f181
- https://android.googlesource.com/platform/frameworks/av/+/94d9e646454f6246bf823b6897bd6aea5f08eda3
- https://android.googlesource.com/platform/frameworks/av/+/295c883fe3105b19bcd0f9e07d54c6b589fc5bff
- https://android.googlesource.com/platform/frameworks/av/+/db829699d3293f254a7387894303451a91278986
- http://source.android.com/security/bulletin/2016-06-01.html