Podatność CVE-2017-6720


Publikacja: 2017-09-21

Opis:
A vulnerability in the Secure Shell (SSH) subsystem of Cisco Small Business Managed Switches software could allow an authenticated, remote attacker to cause a reload of the affected switch, resulting in a denial of service (DoS) condition. The vulnerability is due to improper processing of SSH connections. An attacker could exploit this vulnerability by logging in to an affected switch via SSH and sending a malicious SSH message. This vulnerability affects the following Cisco products when SSH is enabled: Small Business 300 Series Managed Switches, Small Business 500 Series Stackable Managed Switches, 350 Series Managed Switches, 350X Series Stackable Managed Switches, 550X Series Stackable Managed Switches, ESW2 Series Advanced Switches. Cisco Bug IDs: CSCvb48377.

Typ:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Ogólna skala CVSS
Znaczenie
Łatwość wykorzystania
5/10
2.9/10
10/10
Wymagany dostęp
Złożoność ataku
Autoryzacja
Zdalny
Niska
Nie wymagana
Wpływ na poufność
Wpływ na integralność
Wpływ na dostępność
Brak
Brak
Częściowy
Affected software
Cisco -> Esw2 series advanced switches firmware 
Cisco -> Small business 550x series stackable managed switches firmware 
Cisco -> Small business 300 series managed switches firmware 
Cisco -> Small business 350 series managed switches firmware 
Cisco -> Small business 500 series stackable managed switches firmware 
Cisco -> Small business 350x series stackable managed switches firmware 

 Referencje:
http://www.securityfocus.com/bid/100933
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170920-sbms

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