[Debian] [Medium] CVE: CVE-2022-2929: isc-dhcp : server to run out of memory

Bug #2043434 reported by Yue Tao
256
This bug affects 1 person
Affects Status Importance Assigned to Milestone
StarlingX
Fix Released
High
Zhixiong Chi

Bug Description

CVE-2022-2929: https://nvd.nist.gov/vuln/detail/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.

Score:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References:
https://security-tracker.debian.org/tracker/CVE-2022-2929

CVE References

Changed in starlingx:
assignee: nobody → Zhixiong Chi (zhixiongchi)
summary: - [Debian] CVE: [Medium] CVE-2022-2929: isc-dhcp : server to run out of
+ [Debian] [Medium] CVE: CVE-2022-2929: isc-dhcp : server to run out of
memory
Changed in starlingx:
status: Triaged → In Progress
Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Fix proposed to integ (master)

Fix proposed to branch: master
Review: https://review.opendev.org/c/starlingx/integ/+/900850

Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Fix merged to integ (master)

Reviewed: https://review.opendev.org/c/starlingx/integ/+/900850
Committed: https://opendev.org/starlingx/integ/commit/dcb205850c8e1abf3e7eba72191d34b3941596c9
Submitter: "Zuul (22348)"
Branch: master

commit dcb205850c8e1abf3e7eba72191d34b3941596c9
Author: Zhixiong Chi <email address hidden>
Date: Mon Nov 13 18:15:57 2023 -0800

    isc-dhcp: fix CVE-2022-2929

    Backport the source patch from the version 4.4.1-2.3+deb11u2.
    [https://sources.debian.org/src/isc-dhcp/4.4.1-2.3+deb11u2/debian/patches/CVE-2022-2929.patch]

    Refer to:
    https://security-tracker.debian.org/tracker/DSA-5251-1
    It refers to two issues, CVE-2022-2928 and CVE-2022-2929.
    CVE-2022-2928 has been fixed in
    [https://review.opendev.org/c/starlingx/integ/+/865278]

    Pass: build-pkgs -c -p isc-dhcp
    Pass: build-pkgs -a
    Pass: build-image
    Pass: Debian AIO jenkins installation

    Issue is very difficult to reproduce, so we are simply focused on
    making sure that this doesn't break anything.

    Closes-Bug: 2043434

    Signed-off-by: Zhixiong Chi <email address hidden>
    Change-Id: Ie9148ea007526160b34c57df5f98d776c04dbe3a

Changed in starlingx:
status: In Progress → Fix Released
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