The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system. The attacker could also cause an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a buffer overflow condition in the DHCP relay subsystem of the affected software. An attacker could exploit this vulnerability by sending a crafted DHCP Version 4 (DHCPv4) packet to an affected system. A successful exploit could allow the attacker to execute arbitrary code and gain full control of the affected system or cause the affected system to reload, resulting in a DoS condition. Cisco Bug IDs: CSCsm45390, CSCuw77959.
oryginał ENCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCisco 1000 Integrated Services Router
HWCiscowszystkie wersjeCisco 1100 4g Integrated Services Router
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HWCiscowszystkie wersje
CISA KEV — szczegółyi
- Dostawcai
- Cisco ↗
- Produkti
- IOS and IOS XE Software
- Data dodania do KEVi
- 3 marca 2022
- Termin remediation (USA)i
- 24 marca 2022(po terminie)
Zastosuj aktualizacje zgodnie z instrukcjami dostawcy.
▸ Pokaż oryginał (EN)
Apply updates per vendor instructions.
Podsystem DHCP relay w oprogramowaniu Cisco IOS i Cisco IOS XE zawiera lukę, która może umożliwić nieuwierzytelnionemu, zdalnemu atakującemu wykonanie dowolnego kodu i uzyskanie pełnej kontroli nad systemem, którego luka dotyczy.
▸ Pokaż oryginał (EN)
The Dynamic Host Configuration Protocol (DHCP) relay subsystem of Cisco IOS and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system.
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