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CVE-2008-5849

5.0 · MEDIUM

Check Point VPN-1 R55, R65, and other versions, when Port Address Translation (PAT) is used, allows remote attackers to discover intranet IP addresses via a packet with a small TTL, which triggers…

Published Jan 6, 2009checkpointCWE-200EPSS 1.62%

Overview

CVE-2008-5849 is a medium-severity vulnerability affecting checkpoint vpn-1. It was published on January 6, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Check Point VPN-1 R55, R65, and other versions, when Port Address Translation (PAT) is used, allows remote attackers to discover intranet IP addresses via a packet with a small TTL, which triggers an ICMP_TIMXCEED_INTRANS (aka ICMP time exceeded in-transit) response containing an encapsulated IP packet with an intranet address, as demonstrated by a TCP packet to the firewall management server on port 18264.

Remediation

Check the references section for vendor advisories and patches from checkpoint. Update vpn-1 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

Refsecunia.com/advisories/32728Refwww.portcullis-security.com/293.phpRefwww.securityfocus.com/bid/32306Refwww.vupen.com/english/advisories/2008/3229Refexchange.xforce.ibmcloud.com/vulnerabilities/46645Refsupportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk36321Refsvn.wald.intevation.org/svn/openvas/trunk/openvas-plugins/scripts/checkpoint-vpn1-pat-information-disclosure.naslRefsecunia.com/advisories/32728Refwww.portcullis-security.com/293.phpRefwww.securityfocus.com/bid/32306

How CyberStrike helps

Frequently asked questions

What is CVE-2008-5849?

CVE-2008-5849 is a medium-severity vulnerability affecting checkpoint vpn-1. It was published on January 6, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2008-5849?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-5849?

Check the references section for vendor advisories and patches from checkpoint. Update vpn-1 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-2008-5849?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-5849 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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