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slackwareSlackware Linux ProjectSSA-2017-195-02
HistoryJul 14, 2017 - 10:13 p.m.

[slackware-security] samba

2017-07-1422:13:34
Slackware Linux Project
www.slackware.com
18

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.047

Percentile

92.7%

New samba packages are available for Slackware 14.0, 14.1, 14.2, and -current
to fix a security issue.

Here are the details from the Slackware 14.2 ChangeLog:

patches/packages/samba-4.4.15-i586-1_slack14.2.txz: Upgraded.
This update fixes an authentication validation bypass security issue:
β€œOrpheus’ Lyre mutual authentication validation bypass”
All versions of Samba from 4.0.0 onwards using embedded Heimdal
Kerberos are vulnerable to a man-in-the-middle attack impersonating
a trusted server, who may gain elevated access to the domain by
returning malicious replication or authorization data.
Samba binaries built against MIT Kerberos are not vulnerable.
For more information, see:
https://www.samba.org/samba/security/CVE-2017-11103.html
https://vulners.com/cve/CVE-2017-11103
(* 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 β€œGet 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/samba-4.4.15-i486-1_slack14.0.txz

Updated package for Slackware x86_64 14.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/samba-4.4.15-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/samba-4.4.15-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/samba-4.4.15-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/samba-4.4.15-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/samba-4.4.15-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/samba-4.6.6-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/samba-4.6.6-x86_64-1.txz

MD5 signatures:

Slackware 14.0 package:
630068826ccb4143f05b0f69a930ae26 samba-4.4.15-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
cec3dbc80c5b98514fe00a49af2b14a4 samba-4.4.15-x86_64-1_slack14.0.txz

Slackware 14.1 package:
39dd6d41675f108f3ffd29220b49ffea samba-4.4.15-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
98c679570096bd9af311b10e381ed144 samba-4.4.15-x86_64-1_slack14.1.txz

Slackware 14.2 package:
66b42142d08232dcd9f6a6cd3ca55d0b samba-4.4.15-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
57e1fb274d74cf8df9ecb0e706681be2 samba-4.4.15-x86_64-1_slack14.2.txz

Slackware -current package:
029388cff26f56eb9e64cf8fa87a262b n/samba-4.6.6-i586-1.txz

Slackware x86_64 -current package:
3d99d640868c25c3ebfdbbd85777e34e n/samba-4.6.6-x86_64-1.txz

Installation instructions:

Upgrade the package as root:
> upgradepkg samba-4.4.15-i586-1_slack14.2.txz

Then, if Samba is running restart it:

> /etc/rc.d/rc.samba restart

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.047

Percentile

92.7%