Kolab Server SMTP message logging user credentials disclosure
| kolab-smtp-logging (24123) |  Medium Risk |
Description:
Kolab Server could allow a remote attacker to obtain sensitive information. By default, SMTP connections are logged in the /kolab/var/postfix/log/postfix.log file, which has world-readable permissions. A remote attacker could view this file to obtain SMTP usernames and passwords, which could be used to gain unauthorized access to user's email accounts.
*CVSS:
| Base Score: | 3.5 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | None |
| Availability Impact: | None |
| Temporal Score: | 2.6 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Obtain Information
Remedy:
Upgrade to the latest version of Kolab Server (2.0.3 or later), available from The Kolab Groupware Project Web site. See References.
For Mandriva Linux 2006.0:
Refer to Mandriva Security Advisory MDKSA-2006:013 for upgrade information. See References.
References:
- Kolab Security Issue 08 20060113: Verbose logging for connections to port 465 (ssmtp) includes the credentials of the connecting users. Passwords might leak through this. .
- The Kolab Groupware Project Web site: Download.
- CVE-2006-0213: Kolab Server 2.0.1, 2.0.2 and development versions pre-2.1-20051215 and earlier, when authenticating users via secure SMTP, stores authentication credentials in plaintext in the postfix.log file, which allows local users to gain privileges.
- OSVDB ID: 22381: Kolab Server Secure SMTP postfix.log Authentication Credential Disclosure
- SA18438: Kolab Server Secure SMTP Message Logging Security Issue
- VUPEN/ADV-2006-0186: Kolab Server Secure SMTP Logging Information Disclosure Vulnerability
Platforms Affected:
- Kolab Kolab Server 2.0.1
- Kolab Kolab Server 2.0.2
- Kolab Kolab Server pre-2.1-20051215
Reported:
Jan 13, 2006
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.