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slackwareSlackware Linux ProjectSSA-2021-350-01
HistoryDec 16, 2021 - 9:47 p.m.

[slackware-security] xorg-server

2021-12-1621:47:31
Slackware Linux Project
www.slackware.com
22

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0005 Low

EPSS

Percentile

16.6%

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

Note that in slackware-current there are 4 issues fixed (CVE-2021-4008,
CVE-2021-4009, CVE-2021-4010, and CVE-2021-4011). In Slackware 14.0, 14.1,
and 14.2 the earlier versions of xorg-server don’t contain all of the
vulnerable code, so only the applicable issues have been patched.

Here are the details from the Slackware 14.2 ChangeLog:

patches/packages/xorg-server-1.18.3-i586-6_slack14.2.txz: Rebuilt.
Fixes for multiple input validation failures in X server extensions:
render: Fix out of bounds access in SProcRenderCompositeGlyphs()
xfixes: Fix out of bounds access in ProcXFixesCreatePointerBarrier()
For more information, see:
https://vulners.com/cve/CVE-2021-4008
https://vulners.com/cve/CVE-2021-4009
(
Security fix *)
patches/packages/xorg-server-xephyr-1.18.3-i586-6_slack14.2.txz: Rebuilt.
patches/packages/xorg-server-xnest-1.18.3-i586-6_slack14.2.txz: Rebuilt.
patches/packages/xorg-server-xvfb-1.18.3-i586-6_slack14.2.txz: Rebuilt.

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 packages for Slackware 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/xorg-server-1.12.4-i486-6_slack14.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/xorg-server-xephyr-1.12.4-i486-6_slack14.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/xorg-server-xnest-1.12.4-i486-6_slack14.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/xorg-server-xvfb-1.12.4-i486-6_slack14.0.txz

Updated packages for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/xorg-server-1.12.4-x86_64-6_slack14.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/xorg-server-xephyr-1.12.4-x86_64-6_slack14.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/xorg-server-xnest-1.12.4-x86_64-6_slack14.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/xorg-server-xvfb-1.12.4-x86_64-6_slack14.0.txz

Updated packages for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/xorg-server-1.14.3-i486-7_slack14.1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/xorg-server-xephyr-1.14.3-i486-7_slack14.1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/xorg-server-xnest-1.14.3-i486-7_slack14.1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/xorg-server-xvfb-1.14.3-i486-7_slack14.1.txz

Updated packages for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/xorg-server-1.14.3-x86_64-7_slack14.1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/xorg-server-xephyr-1.14.3-x86_64-7_slack14.1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/xorg-server-xnest-1.14.3-x86_64-7_slack14.1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/xorg-server-xvfb-1.14.3-x86_64-7_slack14.1.txz

Updated packages for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/xorg-server-1.18.3-i586-6_slack14.2.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/xorg-server-xephyr-1.18.3-i586-6_slack14.2.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/xorg-server-xnest-1.18.3-i586-6_slack14.2.txz
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/xorg-server-xvfb-1.18.3-i586-6_slack14.2.txz

Updated packages for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/xorg-server-1.18.3-x86_64-6_slack14.2.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/xorg-server-xephyr-1.18.3-x86_64-6_slack14.2.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/xorg-server-xnest-1.18.3-x86_64-6_slack14.2.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/xorg-server-xvfb-1.18.3-x86_64-6_slack14.2.txz

Updated packages for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/xorg-server-1.20.14-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/xorg-server-xephyr-1.20.14-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/xorg-server-xnest-1.20.14-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/xorg-server-xvfb-1.20.14-i586-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/xorg-server-xwayland-21.1.4-i586-1.txz

Updated packages for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/xorg-server-1.20.14-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/xorg-server-xephyr-1.20.14-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/xorg-server-xnest-1.20.14-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/xorg-server-xvfb-1.20.14-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/xorg-server-xwayland-21.1.4-x86_64-1.txz

MD5 signatures:

Slackware 14.0 packages:
6d04a626a4b75554867d8002b280a37d xorg-server-1.12.4-i486-6_slack14.0.txz
dd7e82b89fa0b2a2a3a107d9be3d95a3 xorg-server-xephyr-1.12.4-i486-6_slack14.0.txz
a85a521a9f968a9be684c5c3c4f66af9 xorg-server-xnest-1.12.4-i486-6_slack14.0.txz
6369db62dadfc4b07902f3106c77dfe5 xorg-server-xvfb-1.12.4-i486-6_slack14.0.txz

Slackware x86_64 14.0 packages:
5e0a9ca853e074b6351572fa90fbecc5 xorg-server-1.12.4-x86_64-6_slack14.0.txz
8b9e95e91cd5d6092a1854a6238266f6 xorg-server-xephyr-1.12.4-x86_64-6_slack14.0.txz
9b7ecbd05021df492d17c80d7158e731 xorg-server-xnest-1.12.4-x86_64-6_slack14.0.txz
a1fd5efd20e49303636a6038f674e87f xorg-server-xvfb-1.12.4-x86_64-6_slack14.0.txz

Slackware 14.1 packages:
839097f02532392934b488031610fdbf xorg-server-1.14.3-i486-7_slack14.1.txz
ea42a3c4b45e14c1e50fadd6199b1157 xorg-server-xephyr-1.14.3-i486-7_slack14.1.txz
00d19e50b61a636f88848cd2fd5c2df5 xorg-server-xnest-1.14.3-i486-7_slack14.1.txz
57299b366cf51215dc362fddae77fcee xorg-server-xvfb-1.14.3-i486-7_slack14.1.txz

Slackware x86_64 14.1 packages:
39182c0be97860fec2ec4ffbf694297d xorg-server-1.14.3-x86_64-7_slack14.1.txz
c8ce89274d84dd237a001580cc57c6f6 xorg-server-xephyr-1.14.3-x86_64-7_slack14.1.txz
50da8dc72ae2f092a25a513b20c1f63f xorg-server-xnest-1.14.3-x86_64-7_slack14.1.txz
9da5a4250085102952c849eb7f8f2ab3 xorg-server-xvfb-1.14.3-x86_64-7_slack14.1.txz

Slackware 14.2 packages:
90be9329bb702b8b307d1242342a1bd8 xorg-server-1.18.3-i586-6_slack14.2.txz
b4bb357429448529fe6543842ad732cc xorg-server-xephyr-1.18.3-i586-6_slack14.2.txz
c53c8bbf2180ebd3c16f924e5a5b1ac7 xorg-server-xnest-1.18.3-i586-6_slack14.2.txz
bc876b95c3d459edb6f5243bc56e84f5 xorg-server-xvfb-1.18.3-i586-6_slack14.2.txz

Slackware x86_64 14.2 packages:
71001773060777d0a95375ed401fd70c xorg-server-1.18.3-x86_64-6_slack14.2.txz
8d014f753c3f6ec4218eb8477274277c xorg-server-xephyr-1.18.3-x86_64-6_slack14.2.txz
02b34119da99c14ce296aa168f489791 xorg-server-xnest-1.18.3-x86_64-6_slack14.2.txz
44f94cabe0ef711db29d929ea952de5e xorg-server-xvfb-1.18.3-x86_64-6_slack14.2.txz

Slackware -current packages:
a11ba87a73c4517149f94e7cd9090368 x/xorg-server-1.20.14-i586-1.txz
dabff0584671d18628afca610e6be6e6 x/xorg-server-xephyr-1.20.14-i586-1.txz
7fd3c55b00ffc216bfd967cb7e9ed217 x/xorg-server-xnest-1.20.14-i586-1.txz
4bb77c644a9270891af1777719c142ef x/xorg-server-xvfb-1.20.14-i586-1.txz
0af0996e39965a93284709609fd85547 x/xorg-server-xwayland-21.1.4-i586-1.txz

Slackware x86_64 -current packages:
203e2fad285325ead3e2bc61df22c4f9 x/xorg-server-1.20.14-x86_64-1.txz
067a5f9920f87adcb97391ee3ea875cb x/xorg-server-xephyr-1.20.14-x86_64-1.txz
6f3b8490c4a6248d9002ff90f0588469 x/xorg-server-xnest-1.20.14-x86_64-1.txz
86eee6735abb2e7090df28d48ac029f5 x/xorg-server-xvfb-1.20.14-x86_64-1.txz
94fcba23c4620b951af49ca56d829a22 x/xorg-server-xwayland-21.1.4-x86_64-1.txz

Installation instructions:

Upgrade the packages as root:
> upgradepkg xorg-server-*.txz

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0005 Low

EPSS

Percentile

16.6%