CVE-2009-0781 Cross-site scripting in Apache Tomcat
Remote attackers can inject arbitrary web script via the time parameter in the Tomcat examples calendar application, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2009-0781?
CVE-2009-0781 is a medium-severity cross-site scripting vulnerability in Apache Tomcat, published on 9 Mar 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Cross-site scripting (XSS) vulnerability in jsp/cal/cal2.jsp in the calendar application in the examples web application in Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18 allows remote attackers to inject arbitrary web script or HTML via the time parameter, related to "invalid HTML."
Weakness: CWE-79
Which versions are affected by CVE-2009-0781?
6 open source packages ship an affected version, including org.apache.tomcat:tomcat. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.tomcat:tomcat Maven | From 4.1.0 to 4.1.39 | None |
org.apache.tomcat:tomcat Maven | From 4.1.0 to 4.1.39 | None |
org.apache.tomcat:tomcat Maven | From 5.5.0 to 5.5.27 | None |
org.apache.tomcat:tomcat Maven | From 5.5.0 to 5.5.27 | None |
org.apache.tomcat:tomcat Maven | From 6.0.0 | 6.0.20 |
org.apache.tomcat:tomcat Maven | From 6.0.0 | 6.0.20 |
Products include Apache Tomcat.
How do I fix CVE-2009-0781?
Upgrade org.apache.tomcat:tomcat to 6.0.20 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2009-0781 being exploited?
There is no known exploitation of CVE-2009-0781 in the wild and no public exploit code.
Other vulnerabilities in Apache Tomcat
Sources
Also known as GHSA-j788-fx57-99wp.