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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:192547
[Eng]
Version
1
Class
patch
ALTXid
410112
Language
Russian
Severity
Medium
Title
Обновление DLA-3146-1 -- устранение уязвимостей в isc-dhcp
Description
Several vulnerabilities have been discovered in the ISC DHCP client, relay and server.
Family
unix
Platform
Debian 10
Product
isc-dhcp
Reference
VENDOR: DLA-3146-1
VENDOR: DLA-3146-1
Id:
DLA-3146-1
Reference:
https://lists.debian.org/debian-lts-announce/2022/debian-lts-announce-202210/msg00015.html
CVE: CVE-2022-2928
CVE: CVE-2022-2928
Id:
CVE-2022-2928
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2928
Comment
: In ISC DHCP 4.4.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1, when the function option_code_hash_lookup() is called from add_option(), it increases the option's refcount field. However, there is not a corresponding call to option_dereference() to decrement the refcount field. The function add_option() is only used in server responses to lease query packets. Each lease query response calls this function for several options, so eventually, the reference counters could overflow and cause the server to abort.
CVSSv3 Score:
6.5
Attack vector:
ADJACENT_NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
476 (NULL Pointer Dereference)
References:
https://kb.isc.org/docs/cve-2022-2928 (CONFIRM)
[debian-lts-announce] 20221010 [SECURITY] [DLA 3146-1] isc-dhcp security update (MLIST)
GLSA-202305-22 (GENTOO)
FEDORA-2022-f5a45757df ()
FEDORA-2022-9ca9a94e28 ()
FEDORA-2022-c4f274a54f ()
CVE: CVE-2022-2929
CVE: CVE-2022-2929
Id:
CVE-2022-2929
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2929
Comment
: 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.
CVSSv3 Score:
6.5
Attack vector:
ADJACENT_NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
770 (Allocation of Resources Without Limits or Throttling)
References:
https://kb.isc.org/docs/cve-2022-2929 (CONFIRM)
[debian-lts-announce] 20221010 [SECURITY] [DLA 3146-1] isc-dhcp security update (MLIST)
GLSA-202305-22 (GENTOO)
FEDORA-2022-f5a45757df ()
FEDORA-2022-9ca9a94e28 ()
FEDORA-2022-c4f274a54f ()
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