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chrony multiple security vulnerabilities
Published: 05.02.2010
Source: BUGTRAQ
SecurityVulns ID: 10591
Type: remote
Level: 5/10
Description: Traffic amplification, resources exhaustion.

Affected: CHRONY : chrony 1.23
CVE: CVE-2010-0294 (chronyd in Chrony before 1.23.1, and possibly 1.24-pre1, generates a syslog message for each unauthorized cmdmon packet, which allows remote attackers to cause a denial of service (disk consumption) via a large number of invalid packets.)
CVE-2010-0293 (The client logging functionality in chronyd in Chrony before 1.23.1 does not restrict the amount of memory used for storage of client information, which allows remote attackers to cause a denial of service (memory consumption) via spoofed (1) NTP or (2) cmdmon packets.)
CVE-2010-0292 (The read_from_cmd_socket function in cmdmon.c in chronyd in Chrony before 1.23.1, and 1.24-pre1, allows remote attackers to cause a denial of service (CPU and bandwidth consumption) by sending a spoofed cmdmon packet that triggers a continuous exchange of NOHOSTACCESS messages between two daemons, a related issue to CVE-2009-3563.)

Original document DEBIAN, [SECURITY] [DSA 1992-1] New chrony packages fix denial of service (05.02.2010)

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