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slackwareSlackware Linux ProjectSSA-2021-259-01
HistorySep 17, 2021 - 4:22 a.m.

[slackware-security] httpd

2021-09-1704:22:20
Slackware Linux Project
www.slackware.com
49

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

0.974 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-2.4.49-i586-1_slack14.2.txz: Upgraded.
This release contains security fixes and improvements.
mod_proxy: Server Side Request Forgery (SSRF) vulnerabilty [Yann Ylavic]
core: ap_escape_quotes buffer overflow
mod_proxy_uwsgi: Out of bound read vulnerability [Yann Ylavic]
core: null pointer dereference on malformed request
mod_http2: Request splitting vulnerability with mod_proxy [Stefan Eissing]
For more information, see:
https://vulners.com/cve/CVE-2021-40438
https://vulners.com/cve/CVE-2021-39275
https://vulners.com/cve/CVE-2021-36160
https://vulners.com/cve/CVE-2021-34798
https://vulners.com/cve/CVE-2021-33193
(* 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-2.4.49-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-2.4.49-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/httpd-2.4.49-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-2.4.49-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/httpd-2.4.49-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-2.4.49-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/httpd-2.4.49-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/httpd-2.4.49-x86_64-1.txz

MD5 signatures:

Slackware 14.0 package:
fb7e2de39ba2de10a24bb8fb4ea0346f httpd-2.4.49-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
79e26651ecbb7d3b6def35e0ab0fc402 httpd-2.4.49-x86_64-1_slack14.0.txz

Slackware 14.1 package:
3775ed69e7e9ac93ac5ed5fde4ab666b httpd-2.4.49-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
1bfecea627489291986f3640bfe220ef httpd-2.4.49-x86_64-1_slack14.1.txz

Slackware 14.2 package:
2693974e9622ef8272a55cab127e8091 httpd-2.4.49-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
7919b0fcc99ea91e44e011d2e14e698f httpd-2.4.49-x86_64-1_slack14.2.txz

Slackware -current package:
1a26ec0dc4b592f3508f51d1dc23f7d4 n/httpd-2.4.49-i586-1.txz

Slackware x86_64 -current package:
be72a2f1f7a58af3c4beca33b9b92742 n/httpd-2.4.49-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
> upgradepkg httpd-2.4.49-i586-1_slack14.2.txz

Then, restart Apache httpd:

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

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

0.974 High

EPSS

Percentile

99.9%