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CVE-2022-3592

Date: January 11, 2023

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.

Language: C

Severity Score

Related Resources (8)

https://github.com/samba-team/samba/commit/d905dbddf8d2655e6c91752b750cbe9c15837ee5
https://nvd.nist.gov/vuln/detail/CVE-2022-3592
https://www.samba.org/samba/security/CVE-2022-3592.html
https://bugzilla.redhat.com/show_bug.cgi?id=2137776
https://access.redhat.com/security/cve/CVE-2022-3592
https://security.alpinelinux.org/vuln/CVE-2022-3592
https://security.gentoo.org/glsa/202309-06
https://www.mend.io/vulnerability-database/CVE-2022-3592

Severity Score

Weakness Type (CWE)

Improper Link Resolution Before File Access ('Link Following')

CWE-59

UNIX Symbolic Link (Symlink) Following

CWE-61

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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