CVE-2010-0294

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-02-08 · updated 2026-06-16
Weakness: CWE-399

Description

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.

Affected products

chrony: through 1.23-pre1; 1.18, 1.19, 1.19-1, 1.19.99.1, 1.19.99.2, 1.19.99.3 (+4)

References

http://chrony.tuxfamily.org/News.html
http://git.tuxfamily.org/chrony/chrony.git/?p=gitroot/chrony/chrony.git%3Ba=commit%3Bh=0b710499f994823bd938fc6895f097eefb9cc59f
http://secunia.com/advisories/38428
http://secunia.com/advisories/38480
http://www.debian.org/security/2010/dsa-1992
http://www.securityfocus.com/bid/38106
https://bugzilla.redhat.com/show_bug.cgi?id=555367
http://chrony.tuxfamily.org/News.html
http://git.tuxfamily.org/chrony/chrony.git/?p=gitroot/chrony/chrony.git%3Ba=commit%3Bh=0b710499f994823bd938fc6895f097eefb9cc59f
http://secunia.com/advisories/38428
http://secunia.com/advisories/38480
http://www.debian.org/security/2010/dsa-1992

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