CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
в каталога KEV от 3 март 2022
Атакува се в момента
Време до експлоатация
след публикуването
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: активно се експлоатира
- Атаката може да се автоматизира
Описание
Оригинално описание
A vulnerability in the Bidirectional Forwarding Detection (BFD) offload implementation of Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to cause a crash of the iosd process, causing a denial of service (DoS) condition. The vulnerability is due to insufficient error handling when the BFD header in a BFD packet is incomplete. An attacker could exploit this vulnerability by sending a crafted BFD message to or across an affected switch. A successful exploit could allow the attacker to trigger a reload of the system. This vulnerability affects Catalyst 4500 Supervisor Engine 6-E (K5), Catalyst 4500 Supervisor Engine 6L-E (K10), Catalyst 4500 Supervisor Engine 7-E (K10), Catalyst 4500 Supervisor Engine 7L-E (K10), Catalyst 4500E Supervisor Engine 8-E (K10), Catalyst 4500E Supervisor Engine 8L-E (K10), Catalyst 4500E Supervisor Engine 9-E (K10), Catalyst 4500-X Series Switches (K10), Catalyst 4900M Switch (K5), Catalyst 4948E Ethernet Switch (K5). Cisco Bug IDs: CSCvc40729.
Засегнати продукти
- n/a Cisco IOS and IOS XE: Cisco IOS and IOS XE
Вид слабост
История
- 28 март 2018 Публикувано
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2018-0155
- https://nvd.nist.gov/vuln/detail/CVE-2018-0155
- http://www.securitytracker.com/id/1040587
- http://www.securityfocus.com/bid/103565
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0155