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CVE-2009-1095

10.0 · HIGH

Integer overflow in unpack200 in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 17 and earlier, and 6 Update 12 and earlier, allows remote attackers to access files or…

Published Mar 25, 2009sunCWE-189EPSS 7.10%

Overview

CVE-2009-1095 is a high-severity vulnerability affecting sun jdk. It was published on March 25, 2009 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Integer overflow in unpack200 in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 17 and earlier, and 6 Update 12 and earlier, allows remote attackers to access files or execute arbitrary code via a JAR file with crafted Pack200 headers.

Remediation

Check the references section for vendor advisories and patches from sun. Update jdk 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
sunjdk0Affected
sunjre0Affected

References

Refh20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01745133Reflabs.idefense.com/intelligence/vulnerabilities/display.php?id=781Reflists.opensuse.org/opensuse-security-announce/2009-04/msg00001.htmlReflists.opensuse.org/opensuse-security-announce/2009-05/msg00003.htmlReflists.opensuse.org/opensuse-security-announce/2009-06/msg00003.htmlReflists.opensuse.org/opensuse-security-announce/2009-07/msg00001.htmlRefmarc.info/?l=bugtraq&m=124344236532162&w=2Refsecunia.com/advisories/34489Refsecunia.com/advisories/34495Refsecunia.com/advisories/34496

How CyberStrike helps

Frequently asked questions

What is CVE-2009-1095?

CVE-2009-1095 is a high-severity vulnerability affecting sun jdk. It was published on March 25, 2009 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2009-1095?

This vulnerability has a CVSS 2.0 base score of 10.0, 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-2009-1095?

Check the references section for vendor advisories and patches from sun. Update jdk 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-2009-1095?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-1095 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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