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.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:N/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://chrony.tuxfamily.org/News.htmlPatch, Vendor Advisory
- http://git.tuxfamily.org/chrony/chrony.git/?p=gitroot/chrony/chrony.git%3Ba=commit%3Bh=0b710499f994823bd938fc6895f097eefb9cc59f
- http://secunia.com/advisories/38428Vendor Advisory
- http://secunia.com/advisories/38480Vendor Advisory
- http://www.debian.org/security/2010/dsa-1992
- http://www.securityfocus.com/bid/38106Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=555367
- http://chrony.tuxfamily.org/News.htmlPatch, Vendor Advisory
- http://git.tuxfamily.org/chrony/chrony.git/?p=gitroot/chrony/chrony.git%3Ba=commit%3Bh=0b710499f994823bd938fc6895f097eefb9cc59f
- http://secunia.com/advisories/38428Vendor Advisory
- http://secunia.com/advisories/38480Vendor Advisory
- http://www.debian.org/security/2010/dsa-1992
- http://www.securityfocus.com/bid/38106Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=555367
Timeline
- Published
- Feb 8, 2010
- Last modified
- Jun 16, 2026
- NVD status
- Modified