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slackwareSlackware Linux ProjectSSA-2024-038-01
HistoryFeb 07, 2024 - 8:13 p.m.

[slackware-security] expat

2024-02-0720:13:19
Slackware Linux Project
www.slackware.com
15
security fix
expat
slackware 15.0
denial of service
billion laughs attacks
cve-2023-52425
cve-2023-52426
upgrade
ftp hosting
rsync
installation instructions

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

38.0%

New expat packages are available for Slackware 15.0 and -current to
fix security issues.

Here are the details from the Slackware 15.0 ChangeLog:

patches/packages/expat-2.6.0-i586-1_slack15.0.txz: Upgraded.
This update fixes security issues:
Fix quadratic runtime issues with big tokens that can cause
denial of service.
Fix billion laughs attacks for users compiling without XML_DTD
defined (which is not common).
For more information, see:
https://vulners.com/cve/CVE-2023-52425
https://vulners.com/cve/CVE-2023-52426
(* 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 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/expat-2.6.0-i586-1_slack15.0.txz

Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/expat-2.6.0-x86_64-1_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/expat-2.6.0-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/expat-2.6.0-x86_64-1.txz

MD5 signatures:

Slackware 15.0 package:
5fc9ee070934b620f18f25589161af50 expat-2.6.0-i586-1_slack15.0.txz

Slackware x86_64 15.0 package:
4d154e83a4c7aa16e9ec3b13883d0541 expat-2.6.0-x86_64-1_slack15.0.txz

Slackware -current package:
0a52eddf970a67cde7db5c3e0b22936a l/expat-2.6.0-i586-1.txz

Slackware x86_64 -current package:
ff61e2750bcbb0ac9255f48be240dd8d l/expat-2.6.0-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
> upgradepkg expat-2.6.0-i586-1_slack15.0.txz

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

38.0%