CVE-2022-2929
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Isc Dhcp
PublishedOct 7, 2022
First seenOct 7, 2022
How to fix
Update
- isc dhcp4.1-esv or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QQXYCIWUDILRCNBAIMVFCSGXBRKEPB4K/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T6IBFH4MRRNJQVWEKILQ6I6CXWW766FX/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2SARIK7KZ7MGQIWDRWZFAOSQSPXY4GOU/
- security.gentoo.org/glsa/202305-22
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| isc dhcp | 1.0.0 ≤ v < 4.1-esv, 4.2.0 ≤ v ≤ 4.4.3, 4.1-esv | 4.1-esv |
| debian debian_linux | 10.0 | — |
| fedoraproject fedora | 35, 36, 37 | — |
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