SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-2929

In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.

MEDIUM 6.5EPSS 0.64%

Does this matter?

Lower severity and a low EPSS score (0.64%). Track it; it rarely justifies an emergency change on its own.

Description

In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.64% probability · 49th percentile
CISA KEV
Not listed
Weakness
CWE-770
Affected
isc/dhcp · debian/debian linux · fedoraproject/fedora
Source
security-officer@isc.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.