JVN#54775800
FAST/TOOLS vulnerable to improper restriction of XML external entity references
Overview
FAST/TOOLS provided by Yokogawa Electric Corporation contains a vulnerability where XML external entity (XXE) references are not properly restricted.
Products Affected
- FAST/TOOLS R9.01 through R9.05
Description
FAST/TOOLS provided by Yokogawa Electric Corporation contains a vulnerability where XML external entity (XXE) references are not properly restricted (CWE-611).
Impact
When opening a project with a specially crafted XML file, information managed by the product may be disclosed or may become a victim of a denial-of-service (DoS).
Solution
Apply an Update
Update to the latest version according to the information provided by the developer.
According to the developer, this vulnerability was addressed in FAST/TOOLS R9.05-SP2, and the most recent version FAST/TOOLS R10.01 is not vulnerable.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| Yokogawa Electric Corporation | Vulnerable | 2014/11/28 | Yokogawa Electric Corporation website |
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Analyzed on 2014.11.28 (CVSS Base Metrics)
| Measures | Severity | Description | ||
|---|---|---|---|---|
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) | A vulnerability exploitable with only local access requires the attacker to have either physical access to the vulnerable system or a local (shell) account. |
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) | Specialized access conditions exist. |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) | The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface). |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) | There is considerable informational disclosure. Access to some system files is possible, but the attacker does not have control over what is obtained, or the scope of the loss is constrained. |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) | There is no impact to the integrity of the system. |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) | There is reduced performance or interruptions in resource availability. |
Base Score:2.4
Credit
Timur Yunusov, Alexey Osipov and Ilya Karpov of Positive Technologies reported this vulnerability to JPCERT/CC.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert | |
| JPCERT Reports | |
| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2014-7251 |
| JVN iPedia |
JVNDB-2014-000141 |
Update History
- 2014/12/10
- Information under the section "References" was added.