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CVE-2009-4611

7.5 · HIGH

Mort Bay Jetty 6.x through 6.1.22 and 7.0.0 writes backtrace data without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arb…

Published Jan 13, 2010mortbayCWE-20EPSS 3.25%

Overview

CVE-2009-4611 is a high-severity vulnerability affecting mortbay jetty. It was published on January 13, 2010 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Mort Bay Jetty 6.x through 6.1.22 and 7.0.0 writes backtrace data without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator, related to (1) a string value in the Age parameter to the default URI for the Cookie Dump Servlet in test-jetty-webapp/src/main/java/com/acme/CookieDump.java under cookie/, (2) an alphabetic value in the A parameter to jsp/expr.jsp, or (3) an alphabetic value in the Content-Length HTTP header to an arbitrary application.

Remediation

Check the references section for vendor advisories and patches from mortbay. Update jetty to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.securityfocus.com/archive/1/508830/100/0/threadedRefwww.ush.it/team/ush/hack-jetty6x7x/jetty-adv.txtRefwww.ush.it/team/ush/hack_httpd_escape/adv.txtRefwww.securityfocus.com/archive/1/508830/100/0/threadedRefwww.ush.it/team/ush/hack-jetty6x7x/jetty-adv.txtRefwww.ush.it/team/ush/hack_httpd_escape/adv.txt

How CyberStrike helps

Frequently asked questions

What is CVE-2009-4611?

CVE-2009-4611 is a high-severity vulnerability affecting mortbay jetty. It was published on January 13, 2010 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2009-4611?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-4611?

Check the references section for vendor advisories and patches from mortbay. Update jetty to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-4611?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-4611 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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