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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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87

Debian: DSA-4377-1 Critical: Rssh Arbitrary Command Execution Threat

The ESnet security team discovered a vulnerability in rssh, a restricted shell that allows users to perform only scp, sftp, cvs, svnserve (Subversion), rdist and/or rsync operations. Missing validation in the scp support could result in the bypass of this restriction, allowing the . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-4377-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Moritz Muehlenhoff January 30, 2019 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : rssh CVE ID : CVE-2019-1000018 Debian Bug : 919623 The ESnet security team discovered a vulnerability in rssh, a restricted shell that allows users to perform only scp, sftp, cvs, svnserve (Subversion), rdist and/or rsync operations. Missing validation in the scp support could result in the bypass of this restriction, allowing the execution of arbitrary shell commands. Please note that with the update applied, the "-3" option of scp can no longer be used. For the stable distribution (stretch), this problem has been fixed in version 2.3.4-5+deb9u1. We recommend that you upgrade your rssh packages. For the detailed security status of rssh please refer to its security tracker page at: Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . Hash: SHA512 Debian Security Advisory DSA-4377-1 https://www.debian.org/security/ Moritz Muehlenhoff. esnet, security, vulnerability, restricted, shell, allows, users. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Jan 30, 2019 Critical Debian
89

Fedora 21 OpenSSH 2015-12054 Moderate: Control Character Handling Fix

Handle terminal control characters in scp progressmeter (#1247204) -- Security fix. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2015-12054 2015-07-29 21:34:54 -------------------------------------------------------------------------------- Name : openssh Product : Fedora 21 Version : 6.6.1p1 Release : 15.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: Handle terminal control characters in scp progressmeter (#1247204) -- Security fix -------------------------------------------------------------------------------- ChangeLog: * Tue Jul 28 2015 Jakub Jelen 6.6.1p1-15 + 0.9.3-3 - Handle terminal control characters in scp progressmeter (#1247204) * Thu Jul 23 2015 Jakub Jelen 6.6.1p1-14 + 0.9.3-3 - CVE-2015-5600: only query each keyboard-interactive device once (#1245971) * 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 password guessing (#1238238) - ssh-copy-id: tcsh doesnt work with multiline strings so we will make it ugglyone-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 #1247203 - openssh: scp can send arbitrary control characters / escape sequences to the terminal https://bugzilla.redhat.com/show_bug.cgi?id=1247203 -------------------------------------------------------------------------------- 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 https://fedoraproject.org/security/ -------------------------------------------------------------------------------- _______________________________________________ package-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. https://lists.fedoraproject.org/admin/lists/package-announce.lists.fedoraproject.org/ .Improvements in OpenSSH for Fedora 21 address a problem with the handling of terminal control characters in scp, enhancing security measures.. OpenSSH Update,Fedora Security,Terminal Control Fix,Remote Access Security. . Severity: Important. LinuxSecurity.com Team

Calendar 2 Aug 03, 2015 Important Fedora
89

Fedora 22 FEDORA-2015-12177 Critical OpenSSH Control Character Fix

Handle terminal control characters in scp progressmeter (#1247204) -- Security fix. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2015-12177 2015-07-29 21:39:50 -------------------------------------------------------------------------------- Name : openssh Product : Fedora 22 Version : 6.9p1 Release : 4.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: Handle terminal control characters in scp progressmeter (#1247204) -- Security fix -------------------------------------------------------------------------------- ChangeLog: * Tue Jul 28 2015 Jakub Jelen 6.9p1-4 + 0.9.3-6 - Handle terminal control characters in scp progressmeter (#1247204) * Thu Jul 23 2015 Jakub Jelen 6.9p1-3 + 0.9.3-6 - CVE-2015-5600: only query each keyboard-interactive device once (#1245971) * Wed Jul 15 2015 Jakub Jelen 6.9p1-2 + 0.9.3-6 - Enable SECCOMP filter for s390* architecture (#1195065) - Fix race condition when multiplexing connection (#1242682) * Wed Jul 1 2015 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 - Correctlyrevert "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 #1247203 - openssh: scp can send arbitrary control characters / escape sequences to the terminal https://bugzilla.redhat.com/show_bug.cgi?id=1247203 -------------------------------------------------------------------------------- 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 mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. https://lists.fedoraproject.org/admin/lists/package-announce.lists.fedoraproject.org/ . A critical security patch for OpenSSH in Fedora 22 addresses issues regarding terminal control character management for safe communications.. openssh Update,Fedora Security,SSH Protocol.. Severity: Critical. LinuxSecurity.com Team

Calendar 2 Jul 31, 2015 Critical Fedora
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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