CVE-2022-2929Allocation of Resources Without Limits or Throttling in Dhcp

Severity
6.5MEDIUMNVD
EPSS
0.1%
top 83.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 7
Latest updateNov 21

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 vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

NVDisc/dhcp1.0.04.1-esv+2
CVEListV5isc/isc_dhcp1.0 through versions before 4.1-ESV-R16-P2, 4.2 through versions before 4.4.3.-P1+1

Also affects: Debian Linux 10.0, Fedora 35, 36, 37

🔴Vulnerability Details

6
OSV
isc-dhcp vulnerabilities2022-11-21
OSV
isc-dhcp vulnerabilities2022-11-07
GHSA
GHSA-wjcc-8xx5-frqg: In ISC DHCP 12022-10-07
OSV
CVE-2022-2929: In ISC DHCP 12022-10-07
CVEList
DHCP memory leak2022-10-07

📋Vendor Advisories

6
Ubuntu
DHCP vulnerabilities2022-11-21
Ubuntu
DHCP vulnerabilities2022-11-07
Microsoft
DHCP memory leak2022-10-11
Red Hat
dhcp: DHCP memory leak2022-10-05
Ubuntu
DHCP vulnerabilities2022-10-05
CVE-2022-2929 — ISC Dhcp vulnerability | cvebase