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[slackware-security] less (SSA:2024-105-01)

Posted on 14 April 2024
Slackware Security

[slackware-security] less (SSA:2024-105-01)

New less packages are available for Slackware 15.0 and -current to
fix a security issue.

Here are the details from the Slackware 15.0 ChangeLog:
patches/packages/less-653-i586-1_slack15.0.txz: Upgraded.
This update patches a security issue:
less through 653 allows OS command execution via a newline character in the
name of a file, because quoting is mishandled in filename.c. Exploitation
typically requires use with attacker-controlled file names, such as the files
extracted from an untrusted archive. Exploitation also requires the LESSOPEN
environment variable, but this is set by default in many common cases.
For more information, see:
(* 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 15.0:

Updated package for Slackware x86_64 15.0:

Updated package for Slackware -current:

Updated package for Slackware x86_64 -current:

MD5 signatures:

Slackware 15.0 package:
9842df0d8ee0085de310d263a1ae22d3 less-653-i586-1_slack15.0.txz

Slackware x86_64 15.0 package:
c2097fdbe9a6c2a806dbc33e8168ce00 less-653-x86_64-1_slack15.0.txz

Slackware -current package:
a6f91c16d33d74e2159c7329fbfcf03f a/less-653-i586-2.txz

Slackware x86_64 -current package:
060d1dff94545a40f02c517bb55cd2e3 a/less-653-x86_64-2.txz

Installation instructions:

Upgrade the package as root:
# upgradepkg less-653-i586-1_slack15.0.txz


Slackware Linux Security Team