Symlink Following Vulnerability in Samba Affects Linux and UNIX Systems
CVE-2022-3592

6.5MEDIUM

Key Information:

Vendor

Samba

Status
Samba
Vendor
CVE Published:
12 January 2023

What is CVE-2022-3592?

A symlink following vulnerability exists in Samba that permits a remote user to create symbolic links, enabling 'smbd' to bypass the configured share path. This flaw can be exploited when users have access to the exported portion of the filesystem via SMB1 Unix extensions or NFS, allowing them to create symlinks to files beyond the intended share, potentially exposing files on restricted server filesystems.

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Affected Version(s)

samba Affects samba since 4.17.0, Fixed samba 4.17.2.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2137776
https://www.samba.org/samba/security/CVE-2022-3592.html
https://access.redhat.com/security/cve/CVE-2022-3592

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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