CVE-2018-0155
high · 8.6Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
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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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Weaknesses
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| cisco | ios | 3.6(2)e |
| cisco | ios_xe | 3.6(2)e |
| cisco | catalyst_4500-x_series_switches_(k10) | all versions |
| cisco | catalyst_4500_supervisor_engine_6-e_(k5) | all versions |
| cisco | catalyst_4500_supervisor_engine_6l-e_(k10) | all versions |
| cisco | catalyst_4500_supervisor_engine_7-e_(k10) | all versions |
| cisco | catalyst_4500_supervisor_engine_7l-e_(k10) | all versions |
| cisco | catalyst_4500e_supervisor_engine_8-e_(k10) | all versions |
| cisco | catalyst_4500e_supervisor_engine_8l-e_(k10) | all versions |
| cisco | catalyst_4500e_supervisor_engine_9-e_(k10) | all versions |
| cisco | catalyst_4900m_switch_(k5) | all versions |
| cisco | catalyst_4948e_ethernet_switch_(k5) | all versions |
| cisco | ios | 3.6(2)e |
| cisco | ios_xe | 3.6(2)e |
| rockwellautomation | allen-bradley_stratix_8300_industrial_managed_ethernet_switch | all versions |
Check a specific version with /api/v1/cve/match.
References
- http://www.securityfocus.com/bid/103565
- http://www.securitytracker.com/id/1040587
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd
- http://www.securityfocus.com/bid/103565
- http://www.securitytracker.com/id/1040587
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-bfd
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0155
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2018-0155