Cisco · IOS software
CVE-2017-12235
Cisco IOS Software for Cisco Industrial Ethernet Switches PROFINET Denial-of-Service Vulnerability
چیست
A vulnerability in the implementation of the PROFINET Discovery and Configuration Protocol (PN-DCP) for Cisco IOS 12.2 through 15.6 could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to the improper parsing of ingress PN-DCP Identify Request packets destined to an affected device. An attacker could exploit this vulnerability by sending a crafted PN-DCP Identify Request packet to an affected device and then continuing to send normal PN-DCP Identify Request packets to the device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. This vulnerability affects Cisco devices that are configured to process PROFINET messages. Beginning with Cisco IOS Software Release 12.2(52)SE, PROFINET is enabled by default on all the base switch module and expansion-unit Ethernet ports. Cisco Bug IDs: CSCuz47179.
CISA: A vulnerability in the implementation of the PROFINET Discovery and Configuration Protocol (PN-DCP) for Cisco IOS could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service.
چه باید کرد
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مهلت برای نهادهای فدرال آمریکا: ۲۴ مارس ۲۰۲۲
آسیب‌پذیری‌های دیگر Cisco که مورد سوءاستفاده‌اند
| افزوده‌شده | آسیب‌پذیری | محصول | شدت | احتمال حمله |
|---|---|---|---|---|
| ۳ مارس ۲۰۲۲ | SNMP Remote Code Execution | IOS software | بالا ۸٫۸ | ۷٫۳% |
| ۳ مارس ۲۰۲۲ | Integrated Services Module for VPN Denial-of-Service | IOS Software | بالا ۷٫۵ | ۷٫۱% |
| ۳ مارس ۲۰۲۲ | Resource Management Errors | IOS Software | متوسط ۶٫۳ | ۴٫۱% |
| ۳ مارس ۲۰۲۲ | Denial-of-Service | IOS Software | متوسط ۶٫۸ | ۴٫۹% |
| ۳ مارس ۲۰۲۲ | Denial-of-Service | IOS Software | متوسط ۶٫۸ | ۴٫۹% |
| ۳ مارس ۲۰۲۲ | Network Address Translation Denial-of-Service | IOS software | بالا ۷٫۵ | ۷٫۱% |
| ۳ مارس ۲۰۲۲ | for Cisco Integrated Services Routers Denial-of-Service | IOS software | متوسط ۶٫۵ | ۲٫۲% |
| ۳ مارس ۲۰۲۲ | Common Industrial Protocol Request Denial-of-Service | IOS software | بالا ۷٫۵ | ۷٫۱% |
منابع: Known Exploited Vulnerabilities (CISA، مالکیت عمومی)، CVE records (cve.org) و EPSS (FIRST). احتمال حمله برآورد EPSS از این است که کسی در ۳۰ روز آینده برای سوءاستفاده از این آسیب‌پذیری تلاش کند.