TR-20-401 (Cisco Güvenlik Güncellemesi Yayınladı)

Genel Bilgi

Cisco, Cisco ürünlerinde bulunan Hizmet Reddi, DoS ve ACE zafiyetlerine yönelik güvenlik güncellemesi yayınladı.

Etki

Kritik önem düzeyindeki mevcut güvenlik açıklıkları nedeniyle etkilenen sistemlerin siber saldırganlar tarafından kontrol altına alınması ihtimal dâhilindedir.

Çözüm

Ulusal Siber Olaylara Müdahale Merkezi (USOM), kullanıcı ve sistem yöneticilerine yüksek önem derecesindeki zafiyet için Cisco tarafından yayınlanan güvenlik öneri sayfasını incelemelerini ve ilgili güvenlik tedbirlerini almalarını tavsiye etmektedir.

Kaynaklar

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-dos-USxSyTk5

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tcl-ace-C9KuVKmm?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20IOS%20and%20IOS%20XE%20Software%20Tcl%20Arbitrary%20Code%20Execution%20Vulnerability&vs_k=1

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tcl-ace-C9KuVKmm

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sxp-68TEVzR?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20IOS,%20IOS%20XE,%20and%20NX-OS%20Software%20Security%20Group%20Tag%20Exchange%20Protocol%20Denial%20of%20Service%20Vulnerability&vs_k=1

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sxp-68TEVzR

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssh-dos-Un22sd2A?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20IOS%20and%20IOS%20XE%20Software%20Secure%20Shell%20Denial%20of%20Service%20Vulnerability&vs_k=1

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssh-dos-Un22sd2A

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snmp-dos-USxSyTk5?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20IOS%20and%20IOS%20XE%20Software%20Simple%20Network%20Management%20Protocol%20Denial%20of%20Service%20Vulnerability&vs_k=1

2020-06-04