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8.6Yüksek KEV

CVE-2020-3566Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability

Cisco Cisco IOS XR Software Yayım: (6 yıl önce)

Aktif olarak istismar ediliyor — Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability

CISA bu açığın gerçek saldırılarda kullanıldığını 03.11.2021 tarihinde doğruladı. ABD federal kurumları için düzeltme son tarihi: 03.05.2022.

Gerekli işlem: Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-3566

Açıklama

A vulnerability in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to exhaust process memory of an affected device. The vulnerability is due to insufficient queue management for Internet Group Management Protocol (IGMP) packets. An attacker could exploit this vulnerability by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to cause memory exhaustion, resulting in instability of other processes. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address this vulnerability.

Zayıflık türü (CWE): CWE-400CWE-770

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

ÜreticiÜrünSürümler
Cisco Cisco IOS XR Software —
cisco ios xr 6.4.2

Kaynaklar ve yamalar

CPE eşleşmeleri (NVD) (1)
  • cpe:2.3:o:cisco:ios_xr:6.4.2:*:*:*:*:*:*:*

Aynı üründe son açıklar — Cisco IOS / IOS XE / ASA

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