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Sicherheit: Mangelnde Prüfung von Zertifikaten in Samba
Aktuelle Meldungen Distributionen
Name: Mangelnde Prüfung von Zertifikaten in Samba
ID: SSA:2016-189-01
Distribution: Slackware
Plattformen: Slackware -current, Slackware x86_64 -current, Slackware 14.0, Slackware x86_64 14.0, Slackware 14.1, Slackware x86_64 14.1, Slackware 14.2, Slackware x86_64 14.2
Datum: Fr, 8. Juli 2016, 08:31
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2119

Originalnachricht


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[slackware-security] samba (SSA:2016-189-01)

New samba 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/samba-4.4.5-i586-1_slack14.2.txz: Upgraded.
This release fixes a security issue:
Client side SMB2/3 required signing can be downgraded.
It's possible for an attacker to downgrade the required signing for an
SMB2/3 client connection, by injecting the SMB2_SESSION_FLAG_IS_GUEST or
SMB2_SESSION_FLAG_IS_NULL flags. This means that the attacker can
impersonate a server being connected to by Samba, and return malicious
results.
For more information, see:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2119
(* 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:
samba-4.2.14-i486-1_slack14.0.txz

Updated package for Slackware x86_64 14.0:
samba-4.2.14-x86_64-1_slack14.0.txz

Updated package for Slackware 14.1:
samba-4.2.14-i486-1_slack14.1.txz

Updated package for Slackware x86_64 14.1:
samba-4.2.14-x86_64-1_slack14.1.txz

Updated package for Slackware 14.2:
samba-4.4.5-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
samba-4.4.5-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
samba-4.4.5-i586-1.txz

Updated package for Slackware x86_64 -current:
samba-4.4.5-x86_64-1.txz


MD5 signatures:
+-------------+

Slackware 14.0 package:
6138a02471f3320cefec87d05bd2a2f4 samba-4.2.14-i486-1_slack14.0.txz

Slackware x86_64 14.0 package:
4b49e85f14da9a3ed170012660796beb samba-4.2.14-x86_64-1_slack14.0.txz

Slackware 14.1 package:
086984352ac698fdc207f09e6ab58977 samba-4.2.14-i486-1_slack14.1.txz

Slackware x86_64 14.1 package:
38624fc438183525e0a81a5975162f88 samba-4.2.14-x86_64-1_slack14.1.txz

Slackware 14.2 package:
bce33ebd9db8bd4f3de06e28195045de samba-4.4.5-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
63478673374cddf5963fb870253c43b4 samba-4.4.5-x86_64-1_slack14.2.txz

Slackware -current package:
bce33ebd9db8bd4f3de06e28195045de n/samba-4.4.5-i586-1.txz

Slackware x86_64 -current package:
63478673374cddf5963fb870253c43b4 n/samba-4.4.5-x86_64-1.txz


Installation instructions:
+------------------------+

Upgrade the package as root:
# upgradepkg samba-4.4.5-i586-1_slack14.2.txz

Then, if Samba is running restart it:

# /etc/rc.d/rc.samba restart


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com

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