Theres a flaw in binutils /bfd/pef.c. An attacker who is able to submit a crafted input file to be processed by the objdump program could cause a null pointer dereference. The greatest threat from this flaw is to application availability. This flaw affects binutils versions prior to 2.34.
Weakness
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Binutils | Gnu | * | 2.34 (excluding) |
| Binutils | Ubuntu | precise/esm | * |
| Binutils | Ubuntu | trusty | * |
| Binutils | Ubuntu | upstream | * |
| Binutils | Ubuntu | xenial | * |
Potential Mitigations
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1911441
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/
- https://security.gentoo.org/glsa/202107-24
- https://security.netapp.com/advisory/ntap-20210212-0007/
- https://bugzilla.redhat.com/show_bug.cgi?id=1911441
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4KOK3QWSVOUJWJ54HVGIFWNLWQ5ZY4S6/
- https://security.gentoo.org/glsa/202107-24
- https://security.netapp.com/advisory/ntap-20210212-0007/