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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
14

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

5.2%

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

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

5.2%