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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.026 (84.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.026 · change: +0.002
Affected products
- Samba
- Fedoraproject Fedora — versions 36, 37
- Samba — versions Affects samba since 4.17.0, Fixed samba 4.17.2.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.samba.org/samba/security/CVE-2022-3592.html (Vendor Advisory)
- access.redhat.com/security/cve/CVE-2022-3592 (Third Party Advisory)
- security.gentoo.org/glsa/202309-06 (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.