CVE-2009-0758
avahi - denial of service
EPSS 2.0%
描述
The originates_from_local_legacy_unicast_socket function in avahi-core/server.c in avahi-daemon 0.6.23 does not account for the network byte order of a port number when processing incoming multicast packets, which allows remote attackers to cause a denial of service (network bandwidth and CPU consumption) via a crafted legacy unicast mDNS query packet that triggers a multicast packet storm.
如何修補 CVE-2009-0758
要修補 CVE-2009-0758,請將受影響套件升級到下列已修補版本。
- Debian/avahi—升級至 0.6.24-3 或更新版本
- Debian/avahi—升級至 0.6.23-3lenny2 或更新版本
CVE-2009-0758 正在被利用嗎?
低 — EPSS 為 2.0%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 0.6.24-3
- from 0, < 0.6.23-3lenny2