What is CVE-2022-3592?

CVE-2022-3592 is a medium-severity vulnerability in Samba, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 6.5/10. Published 2023-01-12.

How severe is CVE-2022-3592?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2022-3592 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Samba

CVE-2022-3592

A symlink following vulnerability was found in Samba, where a user can create a symbolic link that will make 'smbd' escape the configured share path. This flaw allows a remote user with access to the exported part of the file system under a share via SMB1 unix extensions or NFS to create symlinks to files outside the 'smbd' configured share path and gain access to another restricted server's filesystem.

EPSS: 0.024 (82.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Samba
Fedoraproject Fedora — versions 36, 37
N/a Samba — versions Affects samba since 4.17.0, Fixed samba 4.17.2.

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

secalert@redhat.com (Third Party Advisory, Issue Tracking)
secalert@redhat.com (Vendor Advisory)
secalert@redhat.com (Third Party Advisory)
secalert@redhat.com (vendor-advisory)

Frequently asked questions

What is CVE-2022-3592?: CVE-2022-3592 is a medium-severity vulnerability in Samba, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 6.5/10. Published 2023-01-12.
How severe is CVE-2022-3592?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2022-3592 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.