Samba clear text machine trust account credentials
| samba-logfile-account-cleartext (25575) |  Medium Risk |
Description:
Samba could allow a local attacker to obtain sensitive account information. The winbindd daemon writes the machine trust account password to the log files in clear text and by default the log files are world readable. An attacker could use the machine trust account credentials to impersonate a domain server and obtain information regarding domain users and groups.
Platforms Affected:
- Samba, Samba 3.0.21
- Samba, Samba 3.0.21a
- Samba, Samba 3.0.21b
- Samba, Samba 3.0.21c
Remedy:
Upgrade to the latest version of Samba (3.0.22 or later) or apply the patch for this vulnerability, available from the Samba Web site. See References.
Consequences:
Obtain Information
References:
- BugTraq Mailing List, Wed Mar 29 2006 - 23:22:34 CST, [SECURITY] Samba 3.0.21-3.0.21c: Exposure of machine account credentials in winbindd log files at http://archives.neohapsis.com/archives/bugtraq/2006-03/0575.html.
- Samba Web site, Samba - Security Updates and Information at http://www.samba.org/samba/history/security.html.
- Samba Web site, CAN-2006-1059: Exposure of machine account credentials in winbind log files at http://us5.samba.org/samba/security/CAN-2006-1059.html.
- BID-17314: Samba Machine Trust Account Local Information Disclosure Vulnerability
- CVE-2006-1059: The winbindd daemon in Samba 3.0.21 to 3.0.21c writes the machine trust account password in cleartext in log files, which allows local users to obtain the password and spoof the server in the domain.
- OSVDB ID: 24263: Samba winbindd Debug Log Server Credential Local Disclosure
- SA19455: Samba Exposure of Machine Account Credentials
- SECTRACK ID: 1015850: Samba winbindd Daemon Discloses Server Password to Local Users
- VUPEN/ADV-2006-1179: Samba winbindd Machine Trust Account Password Disclosure Vulnerability
Reported:
Mar 29, 2006
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