JVN#55389065
CS-Cart add-on "Twigmo" vulnerable to PHP object injection
Overview
CS-Cart add-on "Twigmo" contains a PHP object injection vulnerability.
Products Affected
- "Twigmo" bundled with CS-Cart v4.3.9 and earlier
- "Twigmo" bundled with CS-Cart Multi-Vendor v4.3.9 and earlier
Description
CS-Cart add-on "Twigmo" contains a PHP object injection vulnerability due to a flaw where untrusted input values are unserialized.
Impact
A remote attacker may execute arbitrary PHP code.
Solution
Edit twigmo.php
This vulnerability can be addressed by deleting or commenting out the following part of the "Twigmo" add-on's file app/addons/twigmo/controllers/backend/twigmo.php:
$_REQUEST['status'] = unserialize($_REQUEST['status']);Vendor Status
| Vendor | Link |
| Frogman Office Inc. | [CVE-2016-4862] Regarding the PHP object injection vulnerability in CS-Cart add-on "Twigmo" |
| Simtech Ltd. | Top Page |
References
JPCERT/CC Addendum
Twigmo is developed/distributed by Simtech Ltd. A localized version for Japan is distributed by Frogman Office Inc.
A Japanese advisory has been released by Frogman Office Inc. on September 14, 2016. Simtech Ltd. will release an advisory at a later time.
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-2016-4862 |
| JVN iPedia |
JVNDB-2016-000157 |