MailGate Email Firewall LHA directory name buffer overflow
| emf-lha-directory-name-bo (27945) |  High Risk |
Description:
MailGate Email Firewall is vulnerable to a stack-based buffer overflow, caused by improper bounds checking of extended-header directory names in an LHA archive. By sending an LHA archive containing long extended-header directory names in an email attachment, a remote attacker could overflow a buffer and execute arbitrary code on the system once the message is processed.
Platforms Affected:
- Tumbleweed, MailGate Email Firewall
Remedy:
No remedy available as of February 16, 2009.
Consequences:
Gain Access
References:
- Full-Disclosure Mailing List, Mon Jul 24 2006 - 18:38:54 CDT, Hustle -- Tumbleweed Email Firewall Remote Vulnerability at http://archives.neohapsis.com/archives/fulldisclosure/2006-07/0560.html.
- MailGate Email Firewall Web site, Email Firewall Solution, SMTP Relay - MailGate by Tumbleweed Communications at http://www.tumbleweed.com/products/mailgate/emailfirewall.html.
- BID-19146: Tumbleweed MailGate Email Firewall Multiple LHA Buffer Overflow Vulnerabilities
- CVE-2006-3901: Multiple stack-based buffer overflows in Tumbleweed Email Firewall (EMF) allow remote attackers to execute arbitrary code via an email attachment with an LHA archive that contains a (1) file or (2) directory with a long LHA extended header, (3) an LHA archive in which the temporary pathname field for decompressed output is greater than 2 bytes, or (4) an LHA archive with a long filename.
- OSVDB ID: 27495: Tumbleweed Email Firewall (EMF) LHA Processing MMSDecompose Function Multiple Overflow
- SA21194: Tumbleweed Email Firewall LHA File Parsing Vulnerabilities
- VUPEN/ADV-2006-2970: Tumbleweed MailGate Email Firewall LHA Handling Remote Buffer Overflow Vulnerabilities
Reported:
Jul 24, 2006
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