CVE-2009-3563

Description

ntp_request.c in ntpd in NTP before 4.2.4p8, and 4.2.5, allows remote attackers to cause a denial of service (CPU and bandwidth consumption) by using MODE_PRIVATE to send a spoofed (1) request or (2) response packet that triggers a continuous exchange of MODE_PRIVATE error responses between two NTP daemons.

Affected packages (2)

• Debian/ntpfrom 0, < 1:4.2.4p8+dfsg-1
• Debian/ntpfrom 0, < 1:4.2.2.p4+dfsg-2etch4

References (1)

• ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2009-3563