An issue was discovered in libsndfile 1.0.28. There is a NULL pointer dereference in the function sf_write_int in sndfile.c, which will lead to a 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 |
|---|---|---|---|
| Libsndfile | Libsndfile_project | 1.0.28 (including) | 1.0.28 (including) |
| Libsndfile | Ubuntu | bionic | * |
| Libsndfile | Ubuntu | cosmic | * |
| Libsndfile | Ubuntu | esm-infra-legacy/trusty | * |
| Libsndfile | Ubuntu | esm-infra/bionic | * |
| Libsndfile | Ubuntu | esm-infra/xenial | * |
| Libsndfile | Ubuntu | trusty | * |
| Libsndfile | Ubuntu | trusty/esm | * |
| Libsndfile | Ubuntu | xenial | * |
Potential Mitigations
References
- http://www.securityfocus.com/bid/105996
- https://github.com/erikd/libsndfile/issues/427
- https://lists.debian.org/debian-lts-announce/2018/12/msg00016.html
- https://usn.ubuntu.com/4013-1/
- http://www.securityfocus.com/bid/105996
- https://github.com/erikd/libsndfile/issues/427
- https://lists.debian.org/debian-lts-announce/2018/12/msg00016.html
- https://usn.ubuntu.com/4013-1/