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Slackware 14.1: 2016-014-01 Moderate: OpenSSH Info Leak and Overflow

slackware
Calendar Grey January 15, 2016
Scroller Slackware
To tackle OpenSSH issues in Slackware, update OpenSSH from official repositories, secure sshd_config, use key-based login, and set up fail2ban
New openssh packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, and -current to fix security issues

Summary

Here are the details from the Slackware 14.1 ChangeLog: patches/packages/openssh-7.1p2-i486-1_slack14.1.txz: Upgraded. This update fixes an information leak and a buffer overflow. In particular, the information leak allows a malicious SSH server to steal the client's private keys. Thanks to Qualys for reporting this issue. For more information, see: https://https://www.qualys.com/2016/01/14/cve-2016-0777-cve-2016-0778/openssh-cve-2016-0777-cve-2016-0778.txt https://www.cve.org/CVERecord?id=CVE-2016-0777 https://www.cve.org/CVERecord?id=CVE-2016-0778 ***************************************************************** * IMPORTANT: READ BELOW ABOUT POTENTIALLY INCOMPATIBLE CHANGES * ***************************************************************** Rather than backport the fix for the information leak (which is the only hazardous flaw), we have upgraded to the latest OpenSSH. As of version 7.0, OpenSSH has deprecated some older (and presumably less

Read the Full Advisory

Where Find New Packages

Thanks to the friendly folks at the OSU Open Source Lab (https://osuosl.org/) for donating FTP and rsync hosting to the Slackware project! :-)
Also see the "Get Slack" section on http://www.slackware.com/ for additional mirror sites near you.
Updated package for Slackware 13.0:
Updated package for Slackware x86_64 13.0:
Updated package for Slackware 13.1:
Updated package for Slackware x86_64 13.1:
Updated package for Slackware 13.37:
Updated package for Slackware x86_64 13.37:
Updated package for Slackware 14.0:
Updated package for Slackware x86_64 14.0:
Updated package for Slackware 14.1:
Updated package for Slackware x86_64 14.1:
Updated package for Slackware -current:
Updated package for Slackware x86_64 -current:

MD5 Signatures

Slackware 13.0 package: 856dd9c1b10641c282f30a34b7b63bea openssh-7.1p2-i486-1_slack13.0.txz
Slackware x86_64 13.0 package: 80903b0829f0284d007e7a316f2ff2da openssh-7.1p2-x86_64-1_slack13.0.txz
Slackware 13.1 package: 2095d1a304a94bab44993fdb7e0781c8 openssh-7.1p2-i486-1_slack13.1.txz
Slackware x86_64 13.1 package: 5bf653d7f5b4a9426ff2c5888af99f00 openssh-7.1p2-x86_64-1_slack13.1.txz
Slackware 13.37 package: 53e09b4371c045b9de1c86e0826324f9 openssh-7.1p2-i486-1_slack13.37.txz
Slackware x86_64 13.37 package: cd0319ff3c574c50612d5ba2b38f2fdc openssh-7.1p2-x86_64-1_slack13.37.txz
Slackware 14.0 package: 98cdc1d6ffea2a06d0c8013078681bff openssh-7.1p2-i486-1_slack14.0.txz
Slackware x86_64 14.0 package: 2093f3e91a79e07f072c702a1704be73 openssh-7.1p2-x86_64-1_slack14.0.txz
Slackware 14.1 package: d051d9f31cd380436ad01fa1641be1c7 openssh-7.1p2-i486-1_slack14.1.txz
Slackware x86_64 14.1 package: f1f81757431c3c836f06ce5d22e2d5de openssh-7.1p2-x86_64-1_slack14.1.txz
Slackware -current package: 70db20c5e4152bc9967b1e24cf91ed98 n/openssh-7.1p2-i586-1.txz
Slackware x86_64 -current package: e13dc3da27f817bee693fbb907015817 n/openssh-7.1p2-x86_64-1.txz

Severity
important
Lowest
Low
Medium
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Critical

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg openssh-7.1p2-i486-1_slack14.1.txz Next, restart the sshd daemon: # sh /etc/rc.d/rc.sshd restart Then before logging out, make sure that you still have remote access! See the information about incompatible changes in OpenSSH 7.x above.