A vulnerability in the implementation of the IPv4 Virtual Fragmentation Reassembly (VFR) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper reassembly of large packets that occurs when VFR is enabled on either a tunnel interface or on a physical interface that is configured with a maximum transmission unit (MTU) greater than 4,615 bytes. An attacker could exploit this vulnerability by sending fragmented packets through a VFR-enabled interface on an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Project Subscriptions
| Vendors | Products |
|---|---|
|
Cisco
Subscribe
|
1000 Integrated Services Router
Subscribe
1100-4g\/6g Integrated Services Router
Subscribe
1100-4g Integrated Services Router
Subscribe
1100-4p Integrated Services Router
Subscribe
1100-6g Integrated Services Router
Subscribe
1100-8p Integrated Services Router
Subscribe
1100 Integrated Services Router
Subscribe
1101-4p Integrated Services Router
Subscribe
1101 Integrated Services Router
Subscribe
1109-2p Integrated Services Router
Subscribe
1109-4p Integrated Services Router
Subscribe
1109 Integrated Services Router
Subscribe
1111x-8p Integrated Services Router
Subscribe
1111x Integrated Services Router
Subscribe
111x Integrated Services Router
Subscribe
1120 Integrated Services Router
Subscribe
1131 Integrated Services Router
Subscribe
1160 Integrated Services Router
Subscribe
4221 Integrated Services Router
Subscribe
4321 Integrated Services Router
Subscribe
4331 Integrated Services Router
Subscribe
4351 Integrated Services Router
Subscribe
4431 Integrated Services Router
Subscribe
4451-x Integrated Services Router
Subscribe
4461 Integrated Services Router
Subscribe
C8200-1n-4t
Subscribe
C8200l-1n-4t
Subscribe
C8500l-8s4x
Subscribe
Catalyst 8000v Edge
Subscribe
Catalyst 8300-1n1s-4t2x
Subscribe
Catalyst 8300-1n1s-6t
Subscribe
Catalyst 8300-2n2s-4t2x
Subscribe
Catalyst 8300-2n2s-6t
Subscribe
Cloud Services Router 1000v
Subscribe
Ios Xe
Subscribe
|
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-24206 | A vulnerability in the implementation of the IPv4 Virtual Fragmentation Reassembly (VFR) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper reassembly of large packets that occurs when VFR is enabled on either a tunnel interface or on a physical interface that is configured with a maximum transmission unit (MTU) greater than 4,615 bytes. An attacker could exploit this vulnerability by sending fragmented packets through a VFR-enabled interface on an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 28 Oct 2024 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: cisco
Published:
Updated: 2024-10-28T16:33:06.726Z
Reserved: 2022-10-27T00:00:00
Link: CVE-2023-20027
Updated: 2024-08-02T08:57:35.874Z
Status : Modified
Published: 2023-03-23T17:15:13.857
Modified: 2024-11-21T07:40:23.213
Link: CVE-2023-20027
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD