CVSS 6.5 · Medium EPSS 1,3%
Kerentanan Incorrect Default Permissions pada samba, fedoraproject fedora +3 lainnya. Skor CVSS 3.1 6.5 (Medium) menurut NVD.
A vulnerability was discovered in Samba, where the flaw allows SMB clients to truncate files, even with read-only permissions when the Samba VFS module "acl_xattr" is configured with "acl_xattr:ignore system acls = yes". The SMB protocol allows opening files when the client requests read-only access but then implicitly truncates the opened file to 0 bytes if the client specifies a separate OVERWRITE create disposition request. The issue arises in configurations that bypass kernel file system permissions checks, relying solely on Samba's permissions.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
· uraikan di kalkulator | Vendor | Produk | Versi terdampak |
|---|---|---|
| samba | samba | Semua versi sebelum 4.17.12 |
| samba | samba | Versi 4.18.0 hingga sebelum 4.18.8 |
| samba | samba | Versi 4.19.0 hingga sebelum 4.19.1 |
| fedoraproject | fedora | Versi 39 |
| redhat | storage | Versi 3.0 |
| redhat | enterprise linux | Versi 8.0 |
| redhat | enterprise linux eus | Versi 9.0 |