Vulnerability Description
A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of specific IKEv1 packets. An attacker could exploit this vulnerability by sending crafted IKEv1 packets to an affected device during an IKE negotiation. A successful exploit could allow the attacker to cause an affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCuj73916.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | 15.3\(3\)s |
| Cisco | Asr 901-12C-F-D | - |
| Cisco | Asr 901-12C-Ft-D | - |
| Cisco | Asr 901-4C-F-D | - |
| Cisco | Asr 901-4C-Ft-D | - |
| Cisco | Asr 901-6Cz-F-A | - |
| Cisco | Asr 901-6Cz-F-D | - |
| Cisco | Asr 901-6Cz-Ft-A | - |
| Cisco | Asr 901-6Cz-Ft-D | - |
| Cisco | Me 3600X-24Cx-M | - |
| Cisco | Me 3600X-24Fs-M | - |
| Cisco | Me 3600X-24Ts-M | - |
| Cisco | Me 3800X-24Fs-M | - |
| Cisco | Ios Xe | 15.3\(3\)s |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/103562Broken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040595Broken LinkThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
- http://www.securityfocus.com/bid/103562Broken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040595Broken LinkThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-US Government Resource
FAQ
What is CVE-2018-0159?
CVE-2018-0159 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause ...
How severe is CVE-2018-0159?
CVE-2018-0159 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-0159?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios, Cisco Asr 901-12C-F-D, Cisco Asr 901-12C-Ft-D, Cisco Asr 901-4C-F-D, Cisco Asr 901-4C-Ft-D.