CVE-2011-4868

描述

The logging functionality in dhcpd in ISC DHCP before 4.2.3-P2, when using Dynamic DNS (DDNS) and issuing IPv6 addresses, does not properly handle the DHCPv6 lease structure, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets related to a lease-status update.

如何修補 CVE-2011-4868

要修補 CVE-2011-4868,請將受影響套件升級到下列已修補版本。

• Debian/isc-dhcp—升級至 4.2.2.dfsg.1-5 或更新版本

CVE-2011-4868 正在被利用嗎?

低 — EPSS 為 3.6%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 4.2.2.dfsg.1-5

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2011-4868