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security advisoryupdatecriticalFedora 22: 2015-11063 Critical: OpenSSH XSECURITY Bypass
This update brings security fix for two announced vulnerabilities. Namely XSECURITY restrictions bypass under certain conditions AND weakness of agent locking (ssh-add -x) to password guessing (more info in related bugs). It also provides new version of openssh-6.9 which is bringing many bugfixes and few new features with maintaining compatibility with previous version.. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2015-11063 2015-07-03 16:10:03 -------------------------------------------------------------------------------- Name : openssh Product : Fedora 22 Version : 6.9p1 Release : 1.fc22 URL : https://www.openssh.org/portable.html Summary : An open source implementation of SSH protocol versions 1 and 2 Description : SSH (Secure SHell) is a program for logging into and executing commands on a remote machine. SSH is intended to replace rlogin and rsh, and to provide secure encrypted communications between two untrusted hosts over an insecure network. X11 connections and arbitrary TCP/IP ports can also be forwarded over the secure channel. OpenSSH is OpenBSD's version of the last free version of SSH, bringing it up to date in terms of security and features. This package includes the core files necessary for both the OpenSSH client and server. To make this package useful, you should also install openssh-clients, openssh-server, or both. -------------------------------------------------------------------------------- Update Information: This update brings security fix for two announced vulnerabilities. Namely XSECURITY restrictions bypass under certain conditions AND weakness of agent locking (ssh-add -x) to password guessing (more info in related bugs). It also provides new version of openssh-6.9 which is bringing many bugfixes and few new features with maintaining compatibility with previous version. -------------------------------------------------------------------------------- ChangeLog: * Wed Jul 12015 Jakub Jelen 6.9p1-1 + 0.9.3-6 - New upstream release (#1238253) - Increase limitation number of files which can be listed using glob in sftp - Correctly revert "PermitRootLogin no" option from upstream sources (#89216) * Wed Jun 24 2015 Jakub Jelen 6.8p1-9 + 0.9.3-5 - Allow socketcall(SYS_SHUTDOWN) for net_child on ix86 architecture * Thu Jun 18 2015 Fedora Release Engineering - 6.8p1-8.1 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild * Mon Jun 8 2015 Jakub Jelen 6.8p1-8 + 0.9.3-5 - Return stat syscall to seccomp filter (#1228323) * Wed Jun 3 2015 Jakub Jelen 6.8p1-7 + 0.9.3-5 - Handle pam_ssh_agent_auth memory, buffers and variable sizes (#1225106) * Thu May 28 2015 Jakub Jelen 6.8p1-6 + 0.9.3-5 - Resolve problem with pam_ssh_agent_auth after rebase (#1225106) - ssh-copy-id: tcsh doesnt work with multiline strings - Fix upstream memory problems - Add missing options in testmode output and manual pages - Provide LDIF version of LPK schema - Document required selinux boolean for working ssh-ldap-helper -------------------------------------------------------------------------------- References: [ 1 ] Bug #1238231 - CVE-2015-5352 openssh: XSECURITY restrictions bypass under certain conditions in ssh(1) https://bugzilla.redhat.com/show_bug.cgi?id=1238231 [ 2 ] Bug #1238238 - openssh: weakness of agent locking (ssh-add -x) to password guessing https://bugzilla.redhat.com/show_bug.cgi?id=1238238 -------------------------------------------------------------------------------- This update can be installed with the "yum" update program. Use su -c 'yum update openssh' at the command line. For more information, refer to "Managing Software with yum", available at . All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at -------------------------------------------------------------------------------- _______________________________________________ package-announce mailinglist
Jul 10, 2015
•Critical
Fedora
89
security advisoryupdatecriticalFedora: 2015-11067 Critical: Openssh XSECURITY Issues and Agent Weakness
This update brings security fix for two announced vulnerabilities. Namely XSECURITY restrictions bypass under certain conditions AND weakness of agent locking (ssh-add -x) to password guessing (more info in related bugs). For more information see related bugs.. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2015-11067 2015-07-03 16:10:11 -------------------------------------------------------------------------------- Name : openssh Product : Fedora 21 Version : 6.6.1p1 Release : 13.fc21 URL : https://www.openssh.org/portable.html Summary : An open source implementation of SSH protocol versions 1 and 2 Description : SSH (Secure SHell) is a program for logging into and executing commands on a remote machine. SSH is intended to replace rlogin and rsh, and to provide secure encrypted communications between two untrusted hosts over an insecure network. X11 connections and arbitrary TCP/IP ports can also be forwarded over the secure channel. OpenSSH is OpenBSD's version of the last free version of SSH, bringing it up to date in terms of security and features. This package includes the core files necessary for both the OpenSSH client and server. To make this package useful, you should also install openssh-clients, openssh-server, or both. -------------------------------------------------------------------------------- Update Information: This update brings security fix for two announced vulnerabilities. Namely XSECURITY restrictions bypass under certain conditions AND weakness of agent locking (ssh-add -x) to password guessing (more info in related bugs). For more information see related bugs. -------------------------------------------------------------------------------- ChangeLog: * Wed Jul 1 2015 Jakub Jelen 6.6.1p1-13 + 0.9.3.3 - Security fixes released with openssh-6.9 - XSECURITY restrictions bypass under certain conditions in ssh(1) (#1238231) - weakness of agent locking (ssh-add -x) to passwordguessing (#1238238) - ssh-copy-id: tcsh doesnt work with multiline strings so we will make it uggly one-line - Fix auditing when using combination of ForceCommand and PTY (#1203900) - fix direction in CRYPTO_SESSION audit message * Mon Mar 30 2015 Jakub Jelen 6.6.1p1-12 + 0.9.3-3 - Fix ssh-copy-id on non-sh shells (#1045191) - Add tmpfiles.d entris (#1196807) - Solve issue with ssh-copy-id and keys without trailing newline (#1093168) - Remove unused patch * Thu Jan 15 2015 Jakub Jelen 6.6.1p1-11.1 + 0.9.3-3 - error message if scp when directory doesn't exist (#1142223) - parsing configuration file values (#1130733) - documentation in service and socket files for systemd (#1181593) - updated ldap patch (#981058) - fixed vendor-patchlevel - add new option GSSAPIEnablek5users and disable using ~/.k5users by default CVE-2014-9278 (#1170745) * Fri Dec 19 2014 Petr Lautrbach 6.6.1p1-10 + 0.9.3-3 - log via monitor in chroots without /dev/log * Wed Dec 3 2014 Petr Lautrbach 6.6.1p1-9 + 0.9.3-3 - the .local domain example should be in ssh_config, not in sshd_config - use different values for DH for Cisco servers (#1026430) -------------------------------------------------------------------------------- References: [ 1 ] Bug #1238238 - openssh: weakness of agent locking (ssh-add -x) to password guessing https://bugzilla.redhat.com/show_bug.cgi?id=1238238 [ 2 ] Bug #1238231 - CVE-2015-5352 openssh: XSECURITY restrictions bypass under certain conditions in ssh(1) https://bugzilla.redhat.com/show_bug.cgi?id=1238231 -------------------------------------------------------------------------------- This update can be installed with the "yum" update program. Use su -c 'yum update openssh' at the command line. For more information, refer to "Managing Software with yum", available at . All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be foundat https://fedoraproject.org/security/ -------------------------------------------------------------------------------- _______________________________________________ package-announce mailing list
Jul 10, 2015
•Critical
Fedora
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