A NULL pointer dereference was discovered in the AP4_DataAtom class in MetaData/Ap4MetaData.cpp in Bento4 version 1.5.0-617. The vulnerability causes a segmentation fault and application crash, which leads to remote denial of service.
Weakness
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Bento4 | Bento4 | 1.5.0-617 (including) | 1.5.0-617 (including) |
| Kodi-inputstream-adaptive | Ubuntu | kinetic | * |
| Kodi-inputstream-adaptive | Ubuntu | lunar | * |
| Kodi-inputstream-adaptive | Ubuntu | mantic | * |
| Kodi-inputstream-adaptive | Ubuntu | oracular | * |
| Kodi-inputstream-adaptive | Ubuntu | plucky | * |
| Kodi-inputstream-adaptive | Ubuntu | trusty | * |
| Kodi-inputstream-adaptive | Ubuntu | xenial | * |
Potential Mitigations
References
- https://blogs.gentoo.org/ago/2017/09/14/bento4-null-pointer-dereference-in-ap4_dataatomap4_dataatom-ap4metadata-cpp/
- https://github.com/axiomatic-systems/Bento4/commit/41cad602709436628f07b4c4f64e9ff7a611f687
- https://github.com/axiomatic-systems/Bento4/issues/184
- https://blogs.gentoo.org/ago/2017/09/14/bento4-null-pointer-dereference-in-ap4_dataatomap4_dataatom-ap4metadata-cpp/
- https://github.com/axiomatic-systems/Bento4/commit/41cad602709436628f07b4c4f64e9ff7a611f687
- https://github.com/axiomatic-systems/Bento4/issues/184