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{"cert": [{"lastseen": "2018-08-31T02:37:45", "references": ["http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd&apropos=0&sektion=0&manpath=OpenBSD+Current&arch=i386&format=html", "http://www.ietf.org/rfc/rfc2409.txt", "http://www.ietf.org/rfc/rfc2408.txt", "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CAN-2004-0219"], "description": "### Overview\n\nA vulnerability exists in the `isakmpd` that could allow a remote attacker to cause a denial of service.\n\n### Description\n\nThe OpenBSD [`isakmpd`](<http://www.openbsd.org/cgi-bin/man.cgi?query=isakmpd&apropos=0&sektion=0&manpath=OpenBSD+Current&arch=i386&format=html>) establishes security associations for encrypted and authenticated (IPsec) network traffic. It implements the Internet Security Association and Key Management Protocol [(ISAKMP)](<http://www.ietf.org/rfc/rfc2408.txt>) and Internet Key Exchange [(IKE)](<http://www.ietf.org/rfc/rfc2409.txt>) protocol. The ISAKMP standard specifies: \n\nThe Security Association Payload is used to negotiate security attributes and to indicate the Domain of Interpretation (DOI) and Situation under which the negotiation is taking place. \n \nA flaw exists in the way that `isakmpd` handles ISAKMP packets containing a malformed \"Security Association Payload\". Such malformed packets could cause `isakmpd` to read out of bounds and crash. \n \n--- \n \n### Impact\n\nA remote attacker could cause the `isakmpd` service to crash. Subsequent IPsec-enabled communications may be disrupted as a result. \n \n--- \n \n### Solution\n\n**Apply a patch from the vendor** \n \nPatches have been released to address this issue. Please see the Systems Affected section of this document for more details. \n \n--- \n \n### Systems Affected \n\nVendor| Status| Date Notified| Date Updated \n---|---|---|--- \nOpenBSD| | -| 20 Aug 2004 \nIf you are a vendor and your product is affected, [let us know](<mailto:cert@cert.org?Subject=VU%23785945 Vendor Status Inquiry>).\n\n### CVSS Metrics \n\nGroup | Score | Vector \n---|---|--- \nBase | N/A | N/A \nTemporal | N/A | N/A \nEnvironmental | N/A | N/A \n \n### References\n\n * None\n\n### Credit\n\nThis vulnerability was discovered by Rapid7 using their Striker test suite.\n\nThis document was written by Chad R Dougherty based on information published in Rapid7 Advisory R7-0018 .\n\n### Other Information\n\n * CVE IDs: [CAN-2004-0219](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CAN-2004-0219>)\n * Date Public: 19 Mar 2004\n * Date First Published: 27 Aug 2004\n * Date Last Updated: 27 Aug 2004\n * Severity Metric: 1.69\n * Document Revision: 8\n\n", "edition": 4, "reporter": "CERT", "published": "2004-08-27T00:00:00", "title": "isakmpd crashes when handling ISAKMP packets with malformed \"Security Association Payload\"", "type": "cert", "enchantments": {"score": {"vector": "NONE", "value": 5.0}}, "bulletinFamily": "info", "cvelist": ["CVE-2004-0219", "CVE-2004-0219"], "modified": "2004-08-27T00:00:00", "id": "VU:785945", "href": "https://www.kb.cert.org/vuls/id/785945", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:NONE/A:PARTIAL/"}}], "osvdb": [{"lastseen": "2017-04-28T13:20:00", "references": [], "edition": 1, "description": "## Vulnerability Description\nOpenBSD contains a flaw that may allow a remote denial of service. 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The issue is triggered when an attacker sends a specially-crafted ISAKMP packet containing a malformed IPSEC SA payload, and will result in loss of availability for the service.\n## References:\nVendor URL: http://www.openbsd.org/errata.html\nSecurity Tracker: 1009468\n[Secunia Advisory ID:11156](https://secuniaresearch.flexerasoftware.com/advisories/11156/)\n[Related OSVDB ID: 5700](https://vulners.com/osvdb/OSVDB:5700)\n[Related OSVDB ID: 5701](https://vulners.com/osvdb/OSVDB:5701)\n[Related OSVDB ID: 5699](https://vulners.com/osvdb/OSVDB:5699)\n[Related OSVDB ID: 4336](https://vulners.com/osvdb/OSVDB:4336)\nOther Advisory URL: http://packetstormsecurity.nl/0403-advisories/R7-0018.isakmpd.txt\nOther Advisory URL: http://www.rapid7.com/advisories/R7-0018.html\nMail List Post: http://marc.theaimsgroup.com/?l=bugtraq&m=108008530028019&w=2\nKeyword: rapid7,ipsec,vpn\nISS X-Force ID: 15628\n[CVE-2004-0219](https://vulners.com/cve/CVE-2004-0219)\nBugtraq ID: 10029\n", "reporter": "Rapid7 Security Advisories(advisory@rapid7.com)", "published": "2004-03-23T10:17:09", "title": "OpenBSD isakmpd IPSEC SA Payload Handling DoS", "type": "osvdb", "enchantments": {"score": {"vector": "NONE", "value": 5.0}}, "affectedSoftware": [{"name": "OpenBSD", "version": "3.3", "operator": "eq"}, {"name": "OpenBSD", "version": "3.4", "operator": "eq"}], "bulletinFamily": "software", "cvelist": ["CVE-2004-0219"], "modified": "2004-03-23T10:17:09", "id": "OSVDB:5698", "href": "https://vulners.com/osvdb/OSVDB:5698", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:NONE/A:PARTIAL/"}}], "nessus": [{"lastseen": "2018-09-02T00:06:01", "references": ["http://www.nessus.org/u?228a7721", "http://www.rapid7.com/advisories/R7-0018.html", "http://www.openbsd.org/errata34.html"], "pluginID": "19096", "description": "Numerous errors in isakmpd's input packet validation lead to denial-of-service vulnerabilities. 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Security Advisory\r\n Visit http://www.rapid7.com/ to download NeXpose,\r\n the world&#39;s most advanced vulnerability scanner.\r\n Linux and Windows 2000/XP versions are available now!\r\n_______________________________________________________________________\r\n\r\nRapid7 Advisory R7-0018\r\nOpenBSD isakmpd payload handling denial-of-service vulnerabilities\r\n\r\n Published: March 23, 2004\r\n Revision: 1.0\r\n http://www.rapid7.com/advisories/R7-0018.html\r\n\r\n CVE: CAN-2004-0218, CAN-2004-0219, CAN-2004-0220, CAN-2004-0221,\r\n CAN-2004-0222\r\n\r\n1. Affected system&#40;s&#41;:\r\n\r\n KNOWN VULNERABLE:\r\n o OpenBSD 3.4 and earlier\r\n o OpenBSD-current as of March 17, 2004\r\n\r\n2. Summary\r\n\r\n The ISAKMP packet processing functions in OpenBSD&#39;s isakmpd\r\n daemon contain multiple payload handling flaws that allow\r\n a remote attacker to launch a denial of service attack\r\n against the daemon.\r\n\r\n Carefully crafted ISAKMP packets will cause the isakmpd daemon\r\n to attempt out-of-bounds reads, exhaust available memory, or\r\n loop endlessly &#40;consuming 100&#37; of the CPU&#41;.\r\n\r\n3. Vendor status and information\r\n\r\n OpenBSD\r\n http://www.openbsd.org\r\n\r\n OpenBSD has been notified of the issues and they have provided\r\n source code patches to fix the problems for -current, 3.4-stable,\r\n and 3.3-stable. See http://www.openbsd.org/errata.html for\r\n more information.\r\n\r\n The isakmpd daemon in the upcoming OpenBSD 3.5 release will be\r\n privilege-separated, which greatly lessens the risk of any\r\n future vulnerabilities that may be found.\r\n\r\n4. Solution\r\n\r\n Update and rebuild the isakmpd daemon:\r\n\r\n cd /usr/src/sbin/isakmpd\r\n cvs update -dP\r\n make clean && make obj && make && sudo make install\r\n\r\n You can also apply the appropriate patches from\r\n http://www.openbsd.org/errata.html instead of using CVS.\r\n\r\n5. Detailed analysis\r\n\r\n To test the security and robustness of IPSEC implementations\r\n from multiple vendors, the security research team at Rapid7\r\n has designed the Striker ISAKMP Protocol Test Suite. Striker\r\n is an ISAKMP packet generation tool that automatically produces\r\n and sends invalid and/or atypical ISAKMP packets.\r\n\r\n This advisory is the first in a series of vulnerability\r\n disclosures discovered with the Striker test suite. Striker\r\n will be made available to qualified IPSEC vendors. Please\r\n email advisory@rapid7.com for more information on obtaining\r\n Striker.\r\n\r\n OpenBSD&#39;s isakmpd daemon performs insufficient validation on\r\n payload lengths and payload field lengths before attempting to\r\n read the fields. This results in out-of-bounds reads in several\r\n cases.\r\n\r\n Denial of service by 0-length ISAKMP payload\r\n CVE ID: CAN-2004-0218\r\n\r\n An ISAKMP packet with a malformed payload having a self-reported\r\n payload length of zero will cause isakmpd to enter an infinite\r\n loop, parsing the same payload over and over again.\r\n\r\n This issue is similar to CAN-2003-0989, which affected TCPDUMP.\r\n\r\n Denial of service by various malformed ISAKMP IPSEC SA payload\r\n CVE ID: CAN-2004-0219\r\n\r\n An ISAKMP packet with a malformed IPSEC SA payload will\r\n cause isakmpd to read out of bounds and crash.\r\n\r\n Denial of service by malformed ISAKMP Cert Request payload\r\n CVE ID: CAN-2004-0220\r\n\r\n An ISAKMP packet with a malformed Cert Request payload\r\n will cause an integer underflow, resulting in a failed\r\n malloc of a huge amount of memory.\r\n\r\n Denial of service by malformed ISAKMP Delete payload\r\n CVE ID: CAN-2004-0221\r\n\r\n An ISAKMP packet with a malformed delete payload having\r\n a large number of SPIs will cause isakmpd to read out of\r\n bounds and crash.\r\n\r\n Denial of service by various memory leaks\r\n CVE ID: CAN-2004-0222\r\n\r\n Various memory leaks in packet processing can be triggered\r\n by a remote attacker until all available memory is exhausted,\r\n resulting in eventual termination of the daemon.\r\n\r\n6. Contact Information\r\n\r\n Rapid7 Security Advisories\r\n Email: advisory@rapid7.com\r\n Web: http://www.rapid7.com/\r\n Phone: +1 &#40;617&#41; 603-0700\r\n\r\n7. Disclaimer and Copyright\r\n\r\n Rapid7, LLC is not responsible for the misuse of the information\r\n provided in our security advisories. These advisories are a service\r\n to the professional security community. There are NO WARRANTIES\r\n with regard to this information. Any application or distribution of\r\n this information constitutes acceptance AS IS, at the user&#39;s own\r\n risk. This information is subject to change without notice.\r\n\r\n This advisory Copyright &#40;C&#41; 2004 Rapid7, LLC. Permission is\r\n hereby granted to redistribute this advisory, providing that no\r\n changes are made and that the copyright notices and disclaimers\r\n remain intact.\r\n-----BEGIN PGP SIGNATURE-----\r\nVersion: GnuPG v1.2.2 &#40;OpenBSD&#41;\r\n\r\niD8DBQFAYKLaMiAxz4wsmx8RArx0AJwOnkTk/Ej5JRjezz+Ll2eiPmYpYACfQUyd\r\ngYqp1RZ5ArQEZ9ZRpHlSal4=\r\n=FIVu\r\n-----END PGP SIGNATURE-----", "edition": 1, "reporter": "Securityvulns", "published": "2004-03-24T00:00:00", "title": "R7-0018: OpenBSD isakmpd payload handling denial-of-service vulnerabilities", "type": "securityvulns", "enchantments": {"score": {"modified": "2018-08-31T11:10:09", "vector": "NONE", "value": 5.0}}, "bulletinFamily": "software", "affectedSoftware": [], "cvelist": ["CVE-2003-0989", "CVE-2004-0220", "CVE-2004-0218", "CVE-2004-0221", "CVE-2004-0219", "CVE-2004-0222"], "modified": "2004-03-24T00:00:00", "id": "SECURITYVULNS:DOC:5952", "href": "https://vulners.com/securityvulns/SECURITYVULNS:DOC:5952", "cvss": {"score": 10.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}]}