CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
AI Score
Confidence
Low
EPSS
Percentile
92.6%
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.
Vendor | Product | Version | CPE |
---|---|---|---|
tuxfamily | chrony | * | cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:* |
tuxfamily | chrony | 1.18 | cpe:2.3:a:tuxfamily:chrony:1.18:*:*:*:*:*:*:* |
tuxfamily | chrony | 1.19 | cpe:2.3:a:tuxfamily:chrony:1.19:*:*:*:*:*:*:* |
tuxfamily | chrony | 1.19-1 | cpe:2.3:a:tuxfamily:chrony:1.19-1:*:*:*:*:*:*:* |
tuxfamily | chrony | 1.19.99.1 | cpe:2.3:a:tuxfamily:chrony:1.19.99.1:*:*:*:*:*:*:* |
tuxfamily | chrony | 1.19.99.2 | cpe:2.3:a:tuxfamily:chrony:1.19.99.2:*:*:*:*:*:*:* |
tuxfamily | chrony | 1.19.99.3 | cpe:2.3:a:tuxfamily:chrony:1.19.99.3:*:*:*:*:*:*:* |
tuxfamily | chrony | 1.20 | cpe:2.3:a:tuxfamily:chrony:1.20:*:*:*:*:*:*:* |
tuxfamily | chrony | 1.21 | cpe:2.3:a:tuxfamily:chrony:1.21:*:*:*:*:*:*:* |
tuxfamily | chrony | 1.21-pre1 | cpe:2.3:a:tuxfamily:chrony:1.21-pre1:*:*:*:*:*:*:* |
chrony.tuxfamily.org/News.html
git.tuxfamily.org/chrony/chrony.git/?p=gitroot/chrony/chrony.git%3Ba=commit%3Bh=2f63cf448560fdb96b80d8488aae6a15b802a753
secunia.com/advisories/38428
secunia.com/advisories/38480
www.debian.org/security/2010/dsa-1992
www.securityfocus.com/bid/38106
bugzilla.redhat.com/show_bug.cgi?id=555367