CVE-2010-0926
Summary
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.
Impact & exploitability
AV:N/AC:M/Au:S/C:P/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- 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