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CVE-2022-2929

Date: October 6, 2022

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.

Language: C

Severity Score

Related Resources (11)

https://kb.isc.org/docs/cve-2022-2929
https://lists.debian.org/debian-lts-announce/2022/10/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2SARIK7KZ7MGQIWDRWZFAOSQSPXY4GOU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T6IBFH4MRRNJQVWEKILQ6I6CXWW766FX/
https://security.gentoo.org/glsa/202305-22
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QQXYCIWUDILRCNBAIMVFCSGXBRKEPB4K/
https://security.alpinelinux.org/vuln/CVE-2022-2929
https://nvd.nist.gov/vuln/detail/CVE-2022-2929
https://access.redhat.com/security/cve/CVE-2022-2929
https://security-tracker.debian.org/tracker/CVE-2022-2929
https://www.mend.io/vulnerability-database/CVE-2022-2929

Severity Score

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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