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slackwareSlackware Linux ProjectSSA-2023-124-01
HistoryMay 04, 2023 - 7:11 p.m.

[slackware-security] libssh

2023-05-0419:11:18
Slackware Linux Project
www.slackware.com
25
slackware
libssh
security fix
rekeying
authorization bypass
low-memory
ftp hosting
rsync
upgrade
root

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.002

Percentile

52.0%

New libssh packages are available for Slackware 14.2, 15.0, and -current to
fix security issues.

Here are the details from the Slackware 15.0 ChangeLog:

patches/packages/libssh-0.10.5-i586-1_slack15.0.txz: Upgraded.
This update fixes security issues:
A NULL dereference during rekeying with algorithm guessing.
A possible authorization bypass in pki_verify_data_signature under
low-memory conditions.
For more information, see:
https://vulners.com/cve/CVE-2023-1667
https://vulners.com/cve/CVE-2023-2283
(* 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 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/libssh-0.10.5-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/libssh-0.10.5-x86_64-1_slack14.2.txz

Updated package for Slackware 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/libssh-0.10.5-i586-1_slack15.0.txz

Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/libssh-0.10.5-x86_64-1_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libssh-0.10.5-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/libssh-0.10.5-x86_64-1.txz

MD5 signatures:

Slackware 14.2 package:
5814ca2a8f7c883ac51c3ef6c5ffb090 libssh-0.10.5-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
0fabb45327ef142279d4de2de9041384 libssh-0.10.5-x86_64-1_slack14.2.txz

Slackware 15.0 package:
b31b395c18e98609f0febc5293791cea libssh-0.10.5-i586-1_slack15.0.txz

Slackware x86_64 15.0 package:
8cb461e06c787929c77da35740440f41 libssh-0.10.5-x86_64-1_slack15.0.txz

Slackware -current package:
8dd95d34cbf73c80bc1ce4c879c0828c l/libssh-0.10.5-i586-1.txz

Slackware x86_64 -current package:
7c5b1ef89aed33ad6f1d2280c7cfe6d1 l/libssh-0.10.5-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
> upgradepkg libssh-0.10.5-i586-1_slack15.0.txz

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.002

Percentile

52.0%