A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes.
A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-only exports. This could allow modification of SMB-visible file behavior, including converting files into
What happened
A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-only exports. This could allow modification of SMB-visible file behavior, including converting files into symbolic links or other reparse point types.
Does it affect you
Not enough information
No products recorded, so this cannot be matched against anything.
What to do
- Follow the vendor advisory for the fixed release and any interim mitigation.
bugzilla.samba.org
Vendor's affected list
- rhel
- Exactly 7.0
Sources
A verdict here is derived from what you told us and what the vendor published. It is not an assessment of your environment. Why we never say you are safe.