CVE-2022-3592 Path traversal in samba

What is CVE-2022-3592?

CVE-2022-3592 is a medium-severity path traversal vulnerability in Fedoraproject Fedora, published on 12 Jan 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-59, CWE-61

Which versions are affected by CVE-2022-3592?

It affects 2 products.

Products include Fedoraproject Fedora, Samba Samba.

How do I fix CVE-2022-3592?

Apply the vendor's patch.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2022-3592 being exploited?

There is no known exploitation of CVE-2022-3592 in the wild and no public exploit code.

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All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2022-3592, GHSA-cghw-hvr5-w2m2.