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slackwareSlackware Linux ProjectSSA-2017-333-02
HistoryNov 29, 2017 - 8:19 a.m.

[slackware-security] libXfont

2017-11-2908:19:27
Slackware Linux Project
www.slackware.com
15

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

New libXfont packages are available for Slackware 13.0, 13.1, 13.37, 14.0,
14.1, and 14.2 to fix a security issue.

Here are the details from the Slackware 14.2 ChangeLog:

patches/packages/libXfont-1.5.1-i486-2_slack14.2.txz: Rebuilt.
Open files with O_NOFOLLOW. (CVE-2017-16611)
A non-privileged X client can instruct X server running under root
to open any file by creating own directory with “fonts.dir”,
“fonts.alias” or any font file being a symbolic link to any other
file in the system. X server will then open it. This can be issue
with special files such as /dev/watchdog (which could then reboot
the system).
For more information, see:
https://vulners.com/cve/CVE-2017-16611
(* 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 13.0:
ftp://ftp.slackware.com/pub/slackware/slackware-13.0/patches/packages/libXfont-1.4.7-i486-2_slack13.0.txz

Updated package for Slackware x86_64 13.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.0/patches/packages/libXfont-1.4.7-x86_64-2_slack13.0.txz

Updated package for Slackware 13.1:
ftp://ftp.slackware.com/pub/slackware/slackware-13.1/patches/packages/libXfont-1.4.7-i486-2_slack13.1.txz

Updated package for Slackware x86_64 13.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.1/patches/packages/libXfont-1.4.7-x86_64-2_slack13.1.txz

Updated package for Slackware 13.37:
ftp://ftp.slackware.com/pub/slackware/slackware-13.37/patches/packages/libXfont-1.4.7-i486-2_slack13.37.txz

Updated package for Slackware x86_64 13.37:
ftp://ftp.slackware.com/pub/slackware/slackware64-13.37/patches/packages/libXfont-1.4.7-x86_64-2_slack13.37.txz

Updated package for Slackware 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/libXfont-1.4.7-i486-2_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/libXfont-1.4.7-x86_64-2_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/libXfont-1.4.7-i486-2_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/libXfont-1.4.7-x86_64-2_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/libXfont-1.5.1-i486-2_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/libXfont-1.5.1-x86_64-2_slack14.2.txz

MD5 signatures:

Slackware 13.0 package:
d4e8a99e4626b5af9d01dda8115dfde6 libXfont-1.4.7-i486-2_slack13.0.txz

Slackware x86_64 13.0 package:
6da27927dc234d9af2c887ef3aaf0652 libXfont-1.4.7-x86_64-2_slack13.0.txz

Slackware 13.1 package:
cdbad94a8e312376337b59b83d366cfe libXfont-1.4.7-i486-2_slack13.1.txz

Slackware x86_64 13.1 package:
722031314a36c229890fbe60cf6d8eba libXfont-1.4.7-x86_64-2_slack13.1.txz

Slackware 13.37 package:
eb12f2cb9f865f4dab77c775b39c06db libXfont-1.4.7-i486-2_slack13.37.txz

Slackware x86_64 13.37 package:
38c3116005da2c8d72895220ddba9211 libXfont-1.4.7-x86_64-2_slack13.37.txz

Slackware 14.0 package:
4c362f1814961204b8b75abbd53a50fc libXfont-1.4.7-i486-2_slack14.0.txz

Slackware x86_64 14.0 package:
d9bd722c9eda136044add9721592b477 libXfont-1.4.7-x86_64-2_slack14.0.txz

Slackware 14.1 package:
ac850117bc5d16bbcfec2819171e1926 libXfont-1.4.7-i486-2_slack14.1.txz

Slackware x86_64 14.1 package:
46b282522223c7634efb5f328368f1d1 libXfont-1.4.7-x86_64-2_slack14.1.txz

Slackware 14.2 package:
3795216c7eacba7802c6c1b833f9409d libXfont-1.5.1-i486-2_slack14.2.txz

Slackware x86_64 14.2 package:
249df4d8535caef39a422854d7d32cf1 libXfont-1.5.1-x86_64-2_slack14.2.txz

Installation instructions:

Upgrade the package as root:
> upgradepkg libXfont-1.5.1-i486-2_slack14.2.txz

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%