Gentoo Courier-IMAP command execution
| gentoo-courier-imap-command-execution (33805) |  High Risk |
Description:
Gentoo Courier-IMAP could allow a remote attacker to execute arbitrary commands on the system caused by improper handling of the XMAILDIR variable in courier-imapd.indirect and courier-pop3d.indirect. A remote attacker could login using specially-crafted login data and execute arbitrary commands on the system with root privileges.
*CVSS:
| Base Score: | 10 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 7.4 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Refer to GLSA 200704-18 for patch, upgrade, or suggested workaround information. See References.
References:
- BID-23589: Courier-IMAP XMAILDIR Shell Command Injection Vulnerability
- CVE-2007-2173: Eval injection vulnerability in (1) courier-imapd.indirect and (2) courier-pop3d.indirect in Courier-IMAP before 4.0.6-r2, and 4.1.x before 4.1.2-r1, on Gentoo Linux allows remote attackers to execute arbitrary commands via the XMAILDIR variable, related to the LOGINRUN variable.
- GLSA-200704-18: Courier-IMAP: Remote execution of arbitrary code
- OSVDB ID: 35274: Gentoo courier-imap XMAILDIR Variable Remote Command Injection
- SA24963: Gentoo courier-imap "XMAILDIR" Variable Command Injection
Platforms Affected:
- Courier-MTA Courier-IMAP 4.0.0
- Courier-MTA Courier-IMAP 4.0.1
- Courier-MTA Courier-IMAP 4.0.2
- Courier-MTA Courier-IMAP 4.0.3
- Courier-MTA Courier-IMAP 4.0.4
- Courier-MTA Courier-IMAP 4.0.5
- Courier-MTA Courier-IMAP 4.1.0
- Courier-MTA Courier-IMAP 4.1.1
- Gentoo Linux
Reported:
Apr 22, 2007
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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.