Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2022-2929— DHCP memory leak

Quick assessment

Affected
ISC ISC DHCP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ISC DHCP是美国ISC公司的一套开源的动态主机配置协议服务器软件。 ISC DHCP 1.0至4.4.3版本、4.1-ESV-R1至4.1-ESV-R16-P1版本存在安全漏洞，该漏洞源于可以访问DHCP服务器的系统，发送经过精心设计的包含超过63个字节fqdn标签的DHCP数据包，最终可能导致服务器内存不足。

CVSS 6.5 · Medium EPSS 0.64% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2022-2929

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
DHCP memory leak
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ISC DHCP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC DHCP是美国ISC公司的一套开源的动态主机配置协议服务器软件。 ISC DHCP 1.0至4.4.3版本、4.1-ESV-R1至4.1-ESV-R16-P1版本存在安全漏洞，该漏洞源于可以访问DHCP服务器的系统，发送经过精心设计的包含超过63个字节fqdn标签的DHCP数据包，最终可能导致服务器内存不足。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ISC ISC DHCP 1.0 through versions before 4.1-ESV-R16-P2 -

II. Public POCs for CVE-2022-2929

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2022-2929

请登录查看更多情报信息。

Mailing List Discussions for CVE-2022-2929 (4)

Other References for CVE-2022-2929 (1)

IV. Related Vulnerabilities

Same product: ISC DHCP
Same vendor: ISC

V. Comments for CVE-2022-2929

No comments yet

Leave a comment