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slackwareSlackware Linux ProjectSSA-2021-086-01
HistoryMar 27, 2021 - 8:21 p.m.

[slackware-security] xterm

2021-03-2720:21:04
Slackware Linux Project
www.slackware.com
47

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

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

0.044 Low

EPSS

Percentile

92.4%

New xterm 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/xterm-367-i586-1_slack14.2.txz: Upgraded.
This update fixes a security issue:
xterm before Patch #366 allows remote attackers to execute arbitrary code or
cause a denial of service (segmentation fault) via a crafted UTF-8 combining
character sequence.
For more information, see:
https://vulners.com/cve/CVE-2021-27135
(* 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/xterm-367-i486-1_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/xterm-367-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/xterm-367-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/xterm-367-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/xterm-367-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/xterm-367-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/xterm-367-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/xterm-367-x86_64-1.txz

MD5 signatures:

Slackware 14.0 package:
07381abe1845c3dba65612247cf870af xterm-367-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
5a5c338c56b58026cf5be6f27113125b xterm-367-x86_64-1_slack14.0.txz

Slackware 14.1 package:
131d47f4ba7e053aa0f0eac01e231845 xterm-367-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
81f1c0588598c6a0e7f353502928e721 xterm-367-x86_64-1_slack14.1.txz

Slackware 14.2 package:
df159890bf2fa7fcf03de7729a9f64b1 xterm-367-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
47300511f8b07d98016192c486545cf9 xterm-367-x86_64-1_slack14.2.txz

Slackware -current package:
103e2dfaf477324b2bb9a9fff21a94d5 x/xterm-367-i586-1.txz

Slackware x86_64 -current package:
d3eb8ed3dc3c3ede1ff50e430db03a0f x/xterm-367-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
> upgradepkg xterm-367-i586-1_slack14.2.txz

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

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

0.044 Low

EPSS

Percentile

92.4%