Strix
26.1K

CVE-2022-2929

MEDIUMCVSS 6.5/10EPSS 0.62%

Last modified

CVE-2022-2929 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.62%

45.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
IscDhcp>= 1.0.0, < 4.1-esv—
IscDhcp>= 4.2.0, <= 4.4.3—
IscDhcp4.1-esvR1
DebianDebian Linux10.0—
FedoraprojectFedora35—
FedoraprojectFedora36—
FedoraprojectFedora37—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2022-2929?
CVE-2022-2929 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.
How do I fix CVE-2022-2929?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2022

View all 2022CVEs →

Are you affected by CVE-2022-2929?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST