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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
23

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

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.014 Low

EPSS

Percentile

86.3%

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

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

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.014 Low

EPSS

Percentile

86.3%