CVE-2018-0151 on CISA KEV

A vulnerability in the quality of service (QoS) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges. The vulnerability is due to i

01What CISA says about this vulnerability

A vulnerability in the quality of service (QoS) subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges. The vulnerability is due to incorrect bounds checking of certain values in packets that are destined for UDP port 18999 of an affected device. An…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03
• www.securityfocus.com — http://www.securityfocus.com/bid/103540
• www.securitytracker.com — http://www.securitytracker.com/id/1040582
• tools.cisco.com — https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2…

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / Cisco IOS and IOS XE	Cisco IOS and IOS XE

06Detection

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