CVE-2010-0926

Severity: low (CVSS 3.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 30.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-03-10 · updated 2026-06-16
Weakness: CWE-22

Description

The default configuration of smbd in Samba before 3.3.11, 3.4.x before 3.4.6, and 3.5.x before 3.5.0rc3, when a writable share exists, allows remote authenticated users to leverage a directory traversal vulnerability, and access arbitrary files, by using the symlink command in smbclient to create a symlink containing .. (dot dot) sequences, related to the combination of the unix extensions and wide links options.

Affected products

Samba: 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.3.5 (+12)

References

http://archives.neohapsis.com/archives/fulldisclosure/2010-02/0083.html
http://archives.neohapsis.com/archives/fulldisclosure/2010-02/0107.html
http://archives.neohapsis.com/archives/fulldisclosure/2010-02/0108.html
http://blog.metasploit.com/2010/02/exploiting-samba-symlink-traversal.html
http://gitweb.samba.org/?p=samba.git%3Ba=commit%3Bh=bd269443e311d96ef495a9db47d1b95eb83bb8f4
http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
http://marc.info/?l=full-disclosure&m=126538598820903&w=2
http://marc.info/?l=oss-security&m=126539592603079&w=2
http://marc.info/?l=oss-security&m=126540402215620&w=2
http://marc.info/?l=oss-security&m=126540733320471&w=2
http://marc.info/?l=oss-security&m=126545363428745&w=2

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