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slackwareSlackware Linux ProjectSSA-2022-025-01
HistoryJan 25, 2022 - 6:35 a.m.

[slackware-security] expat

2022-01-2506:35:43
Slackware Linux Project
www.slackware.com
26

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.014 Low

EPSS

Percentile

86.6%

New expat 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/expat-2.4.3-i586-2_slack14.2.txz: Rebuilt.
Fix signed integer overflow in function XML_GetBuffer for when
XML_CONTEXT_BYTES is defined to >0 (which is both common and
default). Impact is denial of service or other undefined behavior.
While we’re here, also patch a memory leak on output file opening error.
Thanks to marav.
For more information, see:
https://vulners.com/cve/CVE-2022-23852
(* 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/expat-2.4.3-i486-2_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/expat-2.4.3-x86_64-2_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/expat-2.4.3-i486-2_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/expat-2.4.3-x86_64-2_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/expat-2.4.3-i586-2_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/expat-2.4.3-x86_64-2_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/expat-2.4.3-i586-2.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/expat-2.4.3-x86_64-2.txz

MD5 signatures:

Slackware 14.0 package:
1bda5041fea19b564c74a1d904721fd3 expat-2.4.3-i486-2_slack14.0.txz

Slackware x86_64 14.0 package:
edc9ce5fcd5393b7806140b2b6759852 expat-2.4.3-x86_64-2_slack14.0.txz

Slackware 14.1 package:
5152826a7d292323f2edbed7afbb6009 expat-2.4.3-i486-2_slack14.1.txz

Slackware x86_64 14.1 package:
aade76682306bbd4d3d567c24baee356 expat-2.4.3-x86_64-2_slack14.1.txz

Slackware 14.2 package:
a0006a84edde673ab94d1bc0019ea44a expat-2.4.3-i586-2_slack14.2.txz

Slackware x86_64 14.2 package:
fd33a06ccabea1ea6f055a9ce3c6299a expat-2.4.3-x86_64-2_slack14.2.txz

Slackware -current package:
166399ce3b3039af847b69530d9b3d85 l/expat-2.4.3-i586-2.txz

Slackware x86_64 -current package:
1ffcf40e732985f9798a84aaf97c03b0 l/expat-2.4.3-x86_64-2.txz

Installation instructions:

Upgrade the package as root:
> upgradepkg expat-2.4.3-i586-2_slack14.2.txz

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.014 Low

EPSS

Percentile

86.6%