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An attacker might input the following string instead of a count for the quantity:
| Code Block |
|---|
1</quantity><price>1.0</price><quantity>1 |
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Failure to sanitize user input before processing or storing it can result in injection attacks.
Rule | Severity | Likelihood | Remediation Cost | Priority | Level |
|---|---|---|---|---|---|
IDS16-J | High | Probable | Medium | P12 | L1 |
Automated Detection
| Tool | Version | Checker | Description | ||||||
|---|---|---|---|---|---|---|---|---|---|
| The Checker Framework |
| Tainting Checker | Trust and security errors (see Chapter 8) | ||||||
| Fortify | 1.0 | Missing_XML_Validation | Implemented | ||||||
| Klocwork |
| JAVA.SV.XML.INVALID | Implemented | ||||||
| Parasoft Jtest |
| CERT.IDS16.TDXML | Protect against XML data injection |
Related Vulnerabilities
CVE-2008-2370 describes a vulnerability in Apache Tomcat 4.1.0 through 4.1.37, 5.5.0 through 5.5.26, and 6.0.0 through 6.0.16. When a RequestDispatcher is used, Tomcat performs path normalization before removing the query string from the URI, which allows remote attackers to conduct directory traversal attacks and read arbitrary files via a .. (dot dot) in a request parameter.
Related Guidelines
| SEI CERT Perl Coding Standard | IDS33-PL. Sanitize untrusted data passed across a trust boundary |
Injection [RST] | |
CWE-116, Improper Encoding or Escaping of Output |
Bibliography
A Guide to Building Secure Web Applications and Web Services | |
| [Seacord 2015] | |
[W3C 2008] | Section 4.4.3, "Included If Validating" |
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