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CVE-2015-4047

7.8 · HIGH

racoon/gssapi.c in IPsec-Tools 0.8.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a series of crafted UDP requests.

Published May 29, 2015ipsec-toolsCWE-476EPSS 9.73%

Overview

CVE-2015-4047 is a high-severity vulnerability affecting ipsec-tools ipsec-tools. It was published on May 29, 2015 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

racoon/gssapi.c in IPsec-Tools 0.8.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a series of crafted UDP requests.

Remediation

Check the references section for vendor advisories and patches from ipsec-tools. Update ipsec-tools 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
f5big-ip_application_acceleration_manager11.4.0Affected
f5big-ip_local_traffic_manager11.0.0Affected
f5big-ip_advanced_firewall_manager11.3.0Affected
f5big-ip_analytics11.0.0Affected
f5big-ip_access_policy_manager11.0.0Affected
f5big-ip_application_security_manager11.0.0Affected
f5big-ip_domain_name_system12.0.0Affected
f5big-ip_edge_gateway11.0.0Affected
f5big-ip_global_traffic_manager11.0.0Affected
f5big-ip_link_controller11.0.0Affected
f5big-ip_policy_enforcement_manager11.3.0Affected
f5big-ip_protocol_security_manager11.0.0Affected
f5big-ip_wan_optimization_manager11.0.0Affected
f5big-ip_webaccelerator11.0.0Affected
f5big-iq_cloud4.0.0Affected

References

Reflists.fedoraproject.org/pipermail/package-announce/2015-June/159482.htmlReflists.fedoraproject.org/pipermail/package-announce/2015-June/159549.htmlRefpacketstormsecurity.com/files/131992/IPsec-Tools-0.8.2-Denial-Of-Service.htmlRefseclists.org/fulldisclosure/2015/May/81Refseclists.org/fulldisclosure/2015/May/83Refwww.debian.org/security/2015/dsa-3272Refwww.openwall.com/lists/oss-security/2015/05/20/1Refwww.openwall.com/lists/oss-security/2015/05/21/11Refwww.securityfocus.com/bid/74739Refwww.securitytracker.com/id/1032397

How CyberStrike helps

Frequently asked questions

What is CVE-2015-4047?

CVE-2015-4047 is a high-severity vulnerability affecting ipsec-tools ipsec-tools. It was published on May 29, 2015 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2015-4047?

This vulnerability has a CVSS 2.0 base score of 7.8, 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-2015-4047?

Check the references section for vendor advisories and patches from ipsec-tools. Update ipsec-tools 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-2015-4047?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-4047 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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