JVN#62423700
Movable Type plugin MTAppjQuery vulnerable to PHP code execution
Overview
Movable Type plugin MTAppjQuery contains a PHP code execution vulnerability.
Products Affected
- MTAppjQuery 1.8.1 and earlier
Description
MTAppjQuery provided by bit part LLC is a plugin for Movable Type. An older version PHP library Uploadify is incorporated in MTAppjQuery v1.8.1 and earlier versions and the older versions of Uploadify contains unrestricted upload of arbitrary file (CWE-434), which may lead to arbitrary PHP code execution if MTAppjQuery is used.
Impact
A remote attacker may execute arbitrary PHP code on the server.
Solution
Update MTAppjQuery
Update to the latest version according to the information provided by the developer.
According to the developer, delete the Uplodify directory manually if the latest update cannot be applied.
Vendor Status
JPCERT/CC Addendum
bit part LLC received reports that indicate unauthorized massive accesses to MTAppjQuery, bit part LLC has already released the update and also published an alert for the users of MTAppjQuery to delete Uploadify.
This advisory is to notify the users of MTAppjQuery that there is a vulnerability caused by the older versions of Uploadify and its risk and impact so that users can address to this vulnerability appropriately.
Vulnerability Analysis by JPCERT/CC
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Credit
ASAI Ken reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2018-0645 |
| JVN iPedia |
JVNDB-2018-000080 |