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slackwareSlackware Linux ProjectSSA-2021-149-01
HistoryMay 29, 2021 - 5:45 p.m.

[slackware-security] dhcp

2021-05-2917:45:10
Slackware Linux Project
www.slackware.com
66

7.4 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

3.3 Low

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:N/I:N/A:P

0.003 Low

EPSS

Percentile

67.8%

New dhcp packages are available for Slackware 14.0, 14.1, 14.2, and -current to
fix a security issue.

Here are the details from the Slackware 14.2 ChangeLog:

patches/packages/dhcp-4.4.2_P1-i586-1_slack14.2.txz: Upgraded.
This update fixes a security issue:
Corrected a buffer overwrite possible when parsing hexadecimal
literals with more than 1024 octets. Reported by Jon Franklin from Dell,
and also by Pawel Wieczorkiewicz from Amazon Web Services. [Gitlab #182]
For more information, see:
https://vulners.com/cve/CVE-2021-25217
(* Security fix *)

Where to find the new packages:

Thanks to the friendly folks at the OSU Open Source Lab
(http://osuosl.org) for donating FTP and rsync hosting
to the Slackware project! :-)

Also see the “Get Slack” section on http://slackware.com for
additional mirror sites near you.

Updated package for Slackware 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/dhcp-4.4.2_P1-i486-1_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/dhcp-4.4.2_P1-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/dhcp-4.4.2_P1-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/dhcp-4.4.2_P1-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/dhcp-4.4.2_P1-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/dhcp-4.4.2_P1-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/dhcp-4.4.2_P1-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/dhcp-4.4.2_P1-x86_64-1.txz

MD5 signatures:

Slackware 14.0 package:
c20c6f9ad56fc848b7cd3bf343a4a30d dhcp-4.4.2_P1-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
d95f1ed39280e73ef8b50a7d03981ac7 dhcp-4.4.2_P1-x86_64-1_slack14.0.txz

Slackware 14.1 package:
a49f07c581812a5740d2f8e3701422bb dhcp-4.4.2_P1-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
03a52f3fc09aed8ce027756cb576cff3 dhcp-4.4.2_P1-x86_64-1_slack14.1.txz

Slackware 14.2 package:
ac51f70166d90b796702f968460f07d5 dhcp-4.4.2_P1-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
16dafc10b8cb1f7ad979e5c67f43d391 dhcp-4.4.2_P1-x86_64-1_slack14.2.txz

Slackware -current package:
167cf4da4fa5eca3474eabe830101261 n/dhcp-4.4.2_P1-i586-1.txz

Slackware x86_64 -current package:
39f279ae0c353a281609685fdcf382f5 n/dhcp-4.4.2_P1-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
> upgradepkg dhcp-4.4.2_P1-i586-1_slack14.2.txz

Then, restart the dhcp daemon (if you use it).

7.4 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

3.3 Low

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:L/Au:N/C:N/I:N/A:P

0.003 Low

EPSS

Percentile

67.8%