CVE-2022-2929
DHCP memory leak
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | isc |
| Product | isc dhcp |
| Published | Oct 7, 2022 |
| Last Updated | Sep 16, 2024 |
Stay Ahead of the Next One
Get instant alerts for isc isc dhcp
Be the first to know when new medium vulnerabilities affecting isc isc dhcp are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
ISC / ISC DHCP
1.0 through versions before 4.1-ESV-R16-P2 4.2 through versions before 4.4.3.-P1
References
kb.isc.org: https://kb.isc.org/docs/cve-2022-2929 lists.debian.org: https://lists.debian.org/debian-lts-announce/2022/10/msg00015.html lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QQXYCIWUDILRCNBAIMVFCSGXBRKEPB4K/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T6IBFH4MRRNJQVWEKILQ6I6CXWW766FX/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2SARIK7KZ7MGQIWDRWZFAOSQSPXY4GOU/ security.gentoo.org: https://security.gentoo.org/glsa/202305-22
Credits
ISC would like to thank VictorV of Cyber Kunlun Lab for discovering and reporting this issue.