CVE-2023-20072

2023. április 3. 10:42

cisco / ios xe, Cisco iOS XE sérülékenysége
Angol cím: cisco / ios xe, Cisco iOS XE vulnerability

Publikálás dátuma: 2023.03.23.
Utolsó módosítás dátuma: 2023.03.31.

Leírás

Bemenet ellenőrzés: A termék nem vagy nem megfelelően validálja a bemeneti adatot, ami befolyásolhatja a program adat vagy vezérlési folyamát.

Leírás forrása: CWE-20

Elemzés leírás

Eredeti nyelven: A vulnerability in the fragmentation handling code of tunnel protocol packets in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected system to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to the improper handling of large fragmented tunnel protocol packets. One example of a tunnel protocol is Generic Routing Encapsulation (GRE). An attacker could exploit this vulnerability by sending crafted fragmented packets to an affected system. A successful exploit could allow the attacker to cause the affected system to reload, resulting in a DoS condition. Note: Only traffic directed to the affected system can be used to exploit this vulnerability.

Elemzés leírás forrása: CVE-2023-20072

Hatás

CVSS3.1 Súlyosság és Metrika

Base score: 8.6 (Magas)
Vector: AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4
Exploitability Score: 3.9

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality Impact (C): None
Integrity Impact (I): None
Availability Impact (A): High