QID 317438

QID 317438: Cisco Internetwork Operating System (IOS) and Internetwork Operating System (IOS) XE Software Internet Key Exchange Version 1 Fragmentation Denial of Service (DoS) Vulnerabilities (cisco-sa-ikev1-NO2ccFWz)

Multiple vulnerabilities in the Internet Key Exchange version 1 (IKEv1) fragmentation feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a heap overflow or corruption on an affected system.

Affected Products:

Cisco IOS or IOS XE Software and both of the following conditions are true: IKEv1 fragmentation is enabled
Any type of VPN that is based on IKEv1 is configured

QID Detection Logic (Authenticated):
The check matches Cisco IOS XE version retrieved via Unix Auth using "show version" command.
QID Detection Logic (Unauthenticated):
The check matches Cisco IOS XE version retrieved via SNMP or TCP/IP Fingerprint or NTP or Telnet.

A successful exploit could allow an unauthenticated, remote attacker to cause a heap overflow or corruption on an affected system.

CVSS V3 rated as Critical - 8.6 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Customers are advised to refer to cisco-sa-ikev1-NO2ccFWz for more information.

Vendor References

cisco-sa-ikev1-NO2ccFWz - sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ikev1-NO2ccFWz

CVEs related to QID 317438

CVE-2024-20307 | CVE-2024-20308 |

Software Advisories

Advisory ID	Software	Component	Link
cisco-sa-ikev1-NO2ccFWz			sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ikev1-NO2ccFWz

By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].