JVN#08369659
Movable Type access restriction bypass vulnerability
Overview
Movable Type contains an access restriction bypass vulnerability.
Products Affected
- Movable Type 4.25 Enterprise and earlier
- Movable Type 4.25 (includes Professional and Community Packs) and earlier
- Movable Type Commercial 4.25 (includes Professional Pack) and earlier
- Movable Type 4.25 (Open Source) and earlier
Description
Movable Type, a web log system from Six Apart KK, contains a vulnerability that allows a remote attacker to bypass access restrictions.
Impact
A remote attacker may send unsolicited email to arbitrary addresses or view information stored in Movable Type.
Solution
Update the Software
Update to the latest version according to the information provided by the developer.
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Analyzed on 2009.06.24
| Measures | Conditions | Severity |
|---|---|---|
| Access Required | Routed - can be attacked over the Internet using packets |
|
| Authentication | None - anonymous or no authentication (IP addresses do not count) |
|
| User Interaction Required | None - the vulnerability can be exploited without an honest user taking any action |
|
| Exploit Complexity | Low - little to no expertise and/or luck required to exploit (cross-site scripting) |
|
Description of each analysis measures
A successful attack requires mt-wizard.cgi not to be deleted after initial setup. For more information, refer to the developer's website.
Credit
Masashi Shiraishi reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert | |
| JPCERT Reports | |
| CERT Advisory | |
| CPNI Advisory | |
| TRnotes | |
| CVE |
CVE-2009-2481 |
| JVN iPedia |
JVNDB-2009-000043 |