7.5Hoch KEV

CVE-2018-0171Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability

Cisco IOS and IOS XE Veröffentlicht: (vor 8 Jahren)

Bekannt ausgenutzt — Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability

CISA hat am 03.11.2021 bestätigt, dass diese Schwachstelle in echten Angriffen genutzt wird. Frist für US-Bundesbehörden: 03.05.2022.

Erforderliche Maßnahme: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-0171

Beschreibung

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition, or to execute arbitrary code on an affected device. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted Smart Install message to an affected device on TCP port 4786. A successful exploit could allow the attacker to cause a buffer overflow on the affected device, which could have the following impacts: Triggering a reload of the device, Allowing the attacker to execute arbitrary code on the device, Causing an indefinite loop on the affected device that triggers a watchdog crash. Cisco Bug IDs: CSCvg76186.

Schwachstellentyp (CWE): CWE-20CWE-787

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
cisco ios 15.2(5)e
— Cisco IOS and IOS XE Cisco IOS and IOS XE

Referenzen und Patches

CPE-Treffer (NVD) (1)

  • cpe:2.3:o:cisco:ios:15.2\(5\)e:*:*:*:*:*:*:*