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slackwareSlackware Linux ProjectSSA-2021-278-01
HistoryOct 06, 2021 - 1:14 a.m.

[slackware-security] httpd

2021-10-0601:14:05
Slackware Linux Project
www.slackware.com
46

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.975 High

EPSS

Percentile

99.9%

New httpd packages are available for Slackware 14.0, 14.1, 14.2, and -current
to fix security issues.

Here are the details from the Slackware 14.2 ChangeLog:

patches/packages/httpd-2.4.50-i586-1_slack14.2.txz: Upgraded.
This release contains security fixes and improvements.
Fixed null pointer dereference in h2 fuzzing.
Fixed path traversal and file disclosure vulnerability.
For more information, see:
https://vulners.com/cve/CVE-2021-41524
https://vulners.com/cve/CVE-2021-41773
(* 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/httpd-2.4.50-i486-1_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/httpd-2.4.50-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/httpd-2.4.50-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/httpd-2.4.50-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/httpd-2.4.50-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/httpd-2.4.50-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/httpd-2.4.50-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/httpd-2.4.50-x86_64-1.txz

MD5 signatures:

Slackware 14.0 package:
758dffc23a1504de73404a3722b5c678 httpd-2.4.50-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
141276e5534ba71d78c95773ea6ee115 httpd-2.4.50-x86_64-1_slack14.0.txz

Slackware 14.1 package:
9783dbf60532959fa59c5ea5a39de12f httpd-2.4.50-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
cf6e8c46653385296e4f5d2f98c13369 httpd-2.4.50-x86_64-1_slack14.1.txz

Slackware 14.2 package:
53b8fec2d3b536bb35dbbd96cfc16ed6 httpd-2.4.50-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
c10d440eee460e784aa9023e8ed05f02 httpd-2.4.50-x86_64-1_slack14.2.txz

Slackware -current package:
eeaa1bd4a7980f998a4d15a86803a4e0 n/httpd-2.4.50-i586-1.txz

Slackware x86_64 -current package:
1f7c8675b37517c68d2f77695932e510 n/httpd-2.4.50-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
> upgradepkg httpd-2.4.50-i586-1_slack14.2.txz

Then, restart Apache httpd:

> /etc/rc.d/rc.httpd stop
> /etc/rc.d/rc.httpd start

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.975 High

EPSS

Percentile

99.9%