Vulnerability Details : 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.
Products affected by CVE-2022-2929
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r10:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r10_b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r11_b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc2:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r12:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r12_b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r10_rc1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r11:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r12_p1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r13:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r13_b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r14:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r14_b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r15:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r10b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r10rc1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r11b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r11rc1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r11rc2:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r12-p1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r12b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r13b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r14b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r16:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r15-p1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r15_b1:*:*:*:*:*:*
- cpe:2.3:a:isc:dhcp:4.1-esv:r16-p1:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-2929
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 11 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-2929
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
Internet Systems Consortium (ISC) |
CWE ids for CVE-2022-2929
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-2929
-
https://kb.isc.org/docs/cve-2022-2929
CVE-2022-2929 DHCP memory leakVendor Advisory
-
https://security.gentoo.org/glsa/202305-22
ISC DHCP: Multiple Vulnerabilities (GLSA 202305-22) — Gentoo security
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T6IBFH4MRRNJQVWEKILQ6I6CXWW766FX/
[SECURITY] Fedora 37 Update: dhcp-4.4.3-4.P1.fc37 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QQXYCIWUDILRCNBAIMVFCSGXBRKEPB4K/
[SECURITY] Fedora 36 Update: dhcp-4.4.3-4.P1.fc36 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2SARIK7KZ7MGQIWDRWZFAOSQSPXY4GOU/
[SECURITY] Fedora 35 Update: dhcp-4.4.3-4.P1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/10/msg00015.html
[SECURITY] [DLA 3146-1] isc-dhcp security updateMailing List;Third Party Advisory
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