ID CVE-2017-15906 Type cve Reporter NVD Modified 2018-09-11T06:29:02
Description
The process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.
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Reported by Jann Horn.\n\nCVE-2015-5600\n\nOpenSSH improperly restricted the processing of keyboard-interactive\ndevices within a single connection, which could allow remote attackers\nto perform brute-force attacks or cause a denial of service, in a\nnon-default configuration.\n\nCVE-2015-6563\n\nOpenSSH incorrectly handled usernames during PAM authentication. In\nconjunction with an additional flaw in the OpenSSH unprivileged child\nprocess, remote attackers could make use if this issue to perform user\nimpersonation. Discovered by Moritz Jodeit.\n\nCVE-2015-6564\n\nMoritz Jodeit discovered a use-after-free flaw in PAM support in\nOpenSSH, that could be used by remote attackers to bypass\nauthentication or possibly execute arbitrary code.\n\nCVE-2016-1908\n\nOpenSSH mishandled untrusted X11 forwarding when the X server disables\nthe SECURITY extension. Untrusted connections could obtain trusted X11\nforwarding privileges. Reported by Thomas Hoger.\n\nCVE-2016-3115\n\nOpenSSH improperly handled X11 forwarding data related to\nauthentication credentials. Remote authenticated users could make use\nof this flaw to bypass intended shell-command restrictions. Identified\nby github.com/tintinweb.\n\nCVE-2016-6515\n\nOpenSSH did not limit password lengths for password authentication.\nRemote attackers could make use of this flaw to cause a denial of\nservice via long strings.\n\nCVE-2016-10009\n\nJann Horn discovered an untrusted search path vulnerability in\nssh-agent allowing remote attackers to execute arbitrary local\nPKCS#11 modules by leveraging control over a forwarded agent-socket.\n\nCVE-2016-10011\n\nJann Horn discovered that OpenSSH did not properly consider the\neffects of realloc on buffer contents. This may allow local users to\nobtain sensitive private-key information by leveraging access to a\nprivilege-separated child process.\n\nCVE-2016-10012\n\nGuido Vranken discovered that the OpenSSH shared memory manager\ndid not ensure that a bounds check was enforced by all compilers,\nwhich could allow local users to gain privileges by leveraging access\nto a sandboxed privilege-separation process.\n\nCVE-2016-10708\n\nNULL pointer dereference and daemon crash via an out-of-sequence\nNEWKEYS message.\n\nCVE-2017-15906\n\nMichal Zalewski reported that OpenSSH improperly prevent write\noperations in readonly mode, allowing attackers to create zero-length\nfiles.", "edition": 1, "reporter": "Copyright (c) 2018 Greenbone Networks GmbH http://greenbone.net", "published": "2018-09-10T00:00:00", "title": "Debian LTS Advisory ([SECURITY] [DLA 1500-1] openssh security update)", "type": "openvas", "enchantments": {"score": {"modified": "2018-09-11T11:30:29", "vector": "NONE", "value": 7.2}}, "naslFamily": "Debian Local Security Checks", "bulletinFamily": "scanner", "cvelist": ["CVE-2015-5600", "CVE-2016-1908", "CVE-2016-10708", "CVE-2016-10011", "CVE-2015-6564", "CVE-2016-10009", "CVE-2016-6515", "CVE-2015-5352", "CVE-2016-3115", "CVE-2017-15906", "CVE-2016-10012", "CVE-2015-6563"], "modified": "2018-09-11T00:00:00", "id": "OPENVAS:1361412562310891500", "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310891500", "sourceData": "###############################################################################\n# OpenVAS Vulnerability Test\n# $Id: deb_dla_1500.nasl 11309 2018-09-11 02:24:11Z ckuersteiner $\n#\n# Auto-generated from advisory DLA 1500-1 using nvtgen 1.0\n# Script version: 1.0\n#\n# Author:\n# Greenbone Networks\n#\n# Copyright:\n# Copyright (c) 2018 Greenbone Networks GmbH http://greenbone.net\n# Text descriptions are largely excerpted from the referenced\n# advisory, and are Copyright (c) the respective author(s)\n#\n# This program is free software; you can redistribute it and/or modify\n# it under the terms of the GNU General Public License as published by\n# the Free Software Foundation; either version 2 of the License, or\n# (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n###############################################################################\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.891500\");\n script_version(\"$Revision: 11309 $\");\n script_cve_id(\"CVE-2015-5352\", \"CVE-2015-5600\", \"CVE-2015-6563\", \"CVE-2015-6564\", \"CVE-2016-10009\",\n \"CVE-2016-10011\", \"CVE-2016-10012\", \"CVE-2016-10708\", \"CVE-2016-1908\", \"CVE-2016-3115\",\n \"CVE-2016-6515\", \"CVE-2017-15906\");\n script_name(\"Debian LTS Advisory ([SECURITY] [DLA 1500-1] openssh security update)\");\n script_tag(name:\"last_modification\", value:\"$Date: 2018-09-11 04:24:11 +0200 (Tue, 11 Sep 2018) $\");\n script_tag(name:\"creation_date\", value:\"2018-09-10 00:00:00 +0200 (Mon, 10 Sep 2018)\");\n script_tag(name:\"cvss_base\", value:\"8.5\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:N/AC:L/Au:N/C:P/I:N/A:C\");\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n script_tag(name:\"qod_type\", value:\"package\");\n\n script_xref(name:\"URL\", value:\"https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html\");\n\n script_category(ACT_GATHER_INFO);\n\n script_copyright(\"Copyright (c) 2018 Greenbone Networks GmbH http://greenbone.net\");\n script_family(\"Debian Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/debian_linux\", \"ssh/login/packages\", re:\"ssh/login/release=DEB8\\.[0-9]+\");\n script_tag(name:\"affected\", value:\"openssh on Debian Linux\");\n script_tag(name:\"solution\", value:\"For Debian 8 'Jessie', these problems have been fixed in version\n1:6.7p1-5+deb8u6.\n\nWe recommend that you upgrade your openssh packages.\");\n script_tag(name:\"summary\", value:\"Several vulnerabilities have been found in OpenSSH, a free implementation\nof the SSH protocol suite:\n\nCVE-2015-5352\n\nOpenSSH incorrectly verified time window deadlines for X connections.\nRemote attackers could take advantage of this flaw to bypass intended\naccess restrictions. Reported by Jann Horn.\n\nCVE-2015-5600\n\nOpenSSH improperly restricted the processing of keyboard-interactive\ndevices within a single connection, which could allow remote attackers\nto perform brute-force attacks or cause a denial of service, in a\nnon-default configuration.\n\nCVE-2015-6563\n\nOpenSSH incorrectly handled usernames during PAM authentication. In\nconjunction with an additional flaw in the OpenSSH unprivileged child\nprocess, remote attackers could make use if this issue to perform user\nimpersonation. Discovered by Moritz Jodeit.\n\nCVE-2015-6564\n\nMoritz Jodeit discovered a use-after-free flaw in PAM support in\nOpenSSH, that could be used by remote attackers to bypass\nauthentication or possibly execute arbitrary code.\n\nCVE-2016-1908\n\nOpenSSH mishandled untrusted X11 forwarding when the X server disables\nthe SECURITY extension. Untrusted connections could obtain trusted X11\nforwarding privileges. 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This may allow local users to\nobtain sensitive private-key information by leveraging access to a\nprivilege-separated child process.\n\nCVE-2016-10012\n\nGuido Vranken discovered that the OpenSSH shared memory manager\ndid not ensure that a bounds check was enforced by all compilers,\nwhich could allow local users to gain privileges by leveraging access\nto a sandboxed privilege-separation process.\n\nCVE-2016-10708\n\nNULL pointer dereference and daemon crash via an out-of-sequence\nNEWKEYS message.\n\nCVE-2017-15906\n\nMichal Zalewski reported that OpenSSH improperly prevent write\noperations in readonly mode, allowing attackers to create zero-length\nfiles.\");\n script_tag(name:\"vuldetect\", value:\"This check tests the installed software version using the apt package manager.\");\n\n exit(0);\n}\n\ninclude(\"revisions-lib.inc\");\ninclude(\"pkg-lib-deb.inc\");\n\nres = \"\";\nreport = \"\";\nif ((res = isdpkgvuln(pkg:\"openssh-client\", ver:\"1:6.7p1-5+deb8u6\", rls_regex:\"DEB8\\.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"openssh-server\", ver:\"1:6.7p1-5+deb8u6\", rls_regex:\"DEB8\\.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"openssh-sftp-server\", ver:\"1:6.7p1-5+deb8u6\", rls_regex:\"DEB8\\.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"ssh\", ver:\"1:6.7p1-5+deb8u6\", rls_regex:\"DEB8\\.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"ssh-askpass-gnome\", ver:\"1:6.7p1-5+deb8u6\", rls_regex:\"DEB8\\.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\nif ((res = isdpkgvuln(pkg:\"ssh-krb5\", ver:\"1:6.7p1-5+deb8u6\", rls_regex:\"DEB8\\.[0-9]+\", remove_arch:TRUE )) != NULL) {\n report += res;\n}\n\nif (report != \"\") {\n security_message(data:report);\n} else if (__pkg_match) {\n exit(99);\n}\n", "cvss": {"score": 8.5, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:PARTIAL/I:NONE/A:COMPLETE/"}}], "redhat": [{"lastseen": "2018-12-11T17:44:47", "_object_types": ["robots.models.redhat.RedHatBulletin", "robots.models.base.Bulletin"], "references": [], "affectedPackage": [{"OS": "RedHat", "OSVersion": "7", "packageVersion": "7.4p1-16.el7", "arch": "aarch64", "packageName": "openssh", "packageFilename": "openssh-7.4p1-16.el7.aarch64.rpm", "operator": "lt"}], "description": "OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.\n\nSecurity Fix(es):\n\n* openssh: Improper write operations in readonly mode allow for zero-length file creation (CVE-2017-15906)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 7.5 Release Notes linked from the References section.", "reporter": "RedHat", "published": "2018-04-10T09:04:58", "type": "redhat", "title": "(RHSA-2018:0980) Low: openssh security, bug fix, and enhancement update", "enchantments": {"score": {"vector": "NONE", "value": 5.0}}, "bulletinFamily": "unix", "cvelist": ["CVE-2017-15906"], "_object_type": "robots.models.redhat.RedHatBulletin", "modified": "2018-04-10T10:46:58", "id": "RHSA-2018:0980", "href": "https://access.redhat.com/errata/RHSA-2018:0980", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:PARTIAL/A:NONE/"}}], "amazon": [{"lastseen": "2018-10-02T16:55:14", "references": [], "affectedPackage": [{"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "x86_64", "packageFilename": "openssh-cavs-7.4p1-16.69.amzn1.x86_64.rpm", "packageName": "openssh-cavs", "operator": "lt"}, {"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "i686", "packageFilename": "openssh-debuginfo-7.4p1-16.69.amzn1.i686.rpm", "packageName": "openssh-debuginfo", "operator": "lt"}, {"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "i686", "packageFilename": "openssh-7.4p1-16.69.amzn1.i686.rpm", "packageName": "openssh", "operator": "lt"}, {"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "0.10.3-2.16.69.amzn1", "arch": "x86_64", "packageFilename": 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"OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "i686", "packageFilename": "openssh-ldap-7.4p1-16.69.amzn1.i686.rpm", "packageName": "openssh-ldap", "operator": "lt"}, {"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "x86_64", "packageFilename": "openssh-7.4p1-16.69.amzn1.x86_64.rpm", "packageName": "openssh", "operator": "lt"}, {"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "i686", "packageFilename": "openssh-server-7.4p1-16.69.amzn1.i686.rpm", "packageName": "openssh-server", "operator": "lt"}, {"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "x86_64", "packageFilename": "openssh-server-7.4p1-16.69.amzn1.x86_64.rpm", "packageName": "openssh-server", "operator": "lt"}, {"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "x86_64", "packageFilename": "openssh-ldap-7.4p1-16.69.amzn1.x86_64.rpm", "packageName": "openssh-ldap", "operator": "lt"}, {"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "x86_64", "packageFilename": "openssh-clients-7.4p1-16.69.amzn1.x86_64.rpm", "packageName": "openssh-clients", "operator": "lt"}, {"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "i686", "packageFilename": "openssh-keycat-7.4p1-16.69.amzn1.i686.rpm", "packageName": "openssh-keycat", "operator": "lt"}, {"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "i686", "packageFilename": "openssh-cavs-7.4p1-16.69.amzn1.i686.rpm", "packageName": "openssh-cavs", "operator": "lt"}, {"OS": "Amazon Linux", "OSVersion": "any", "packageVersion": "7.4p1-16.69.amzn1", "arch": "i686", "packageFilename": "openssh-clients-7.4p1-16.69.amzn1.i686.rpm", "packageName": "openssh-clients", "operator": "lt"}], "description": "**Issue Overview:**\n\nImproper write operations in readonly mode allow for zero-length file creation \nThe process_open function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files.([CVE-2017-15906 __](<https://access.redhat.com/security/cve/CVE-2017-15906>))\n\n \n**Affected Packages:** \n\n\nopenssh\n\n \n**Issue Correction:** \nRun _yum update openssh_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n i686: \n openssh-7.4p1-16.69.amzn1.i686 \n openssh-keycat-7.4p1-16.69.amzn1.i686 \n openssh-cavs-7.4p1-16.69.amzn1.i686 \n pam_ssh_agent_auth-0.10.3-2.16.69.amzn1.i686 \n openssh-ldap-7.4p1-16.69.amzn1.i686 \n openssh-clients-7.4p1-16.69.amzn1.i686 \n openssh-debuginfo-7.4p1-16.69.amzn1.i686 \n openssh-server-7.4p1-16.69.amzn1.i686 \n \n src: \n openssh-7.4p1-16.69.amzn1.src \n \n x86_64: \n openssh-cavs-7.4p1-16.69.amzn1.x86_64 \n openssh-7.4p1-16.69.amzn1.x86_64 \n pam_ssh_agent_auth-0.10.3-2.16.69.amzn1.x86_64 \n openssh-keycat-7.4p1-16.69.amzn1.x86_64 \n openssh-ldap-7.4p1-16.69.amzn1.x86_64 \n openssh-clients-7.4p1-16.69.amzn1.x86_64 \n openssh-debuginfo-7.4p1-16.69.amzn1.x86_64 \n openssh-server-7.4p1-16.69.amzn1.x86_64 \n \n \n", "edition": 1, "reporter": "Amazon", "published": "2018-05-10T23:39:00", "title": "Low: openssh", "type": "amazon", "enchantments": {"score": {"modified": "2018-10-02T16:55:14", "vector": "NONE", "value": 5.0}}, "bulletinFamily": "unix", "cvelist": ["CVE-2017-15906"], "modified": "2018-05-10T23:39:00", "id": "ALAS-2018-1018", "href": "https://alas.aws.amazon.com/ALAS-2018-1018.html", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:PARTIAL/A:NONE/"}}], "slackware": [{"lastseen": "2018-08-31T00:37:11", "references": [], "affectedPackage": [{"OS": "Slackware", "OSVersion": "13.0", "packageVersion": "7.4p1", "arch": "x86_64", "packageFilename": "openssh-7.4p1-x86_64-2_slack13.0.txz", "packageName": "openssh", "operator": "lt"}, {"OS": "Slackware", "OSVersion": "14.1", "packageVersion": "7.4p1", "arch": "i486", "packageFilename": "openssh-7.4p1-i486-2_slack14.1.txz", "packageName": "openssh", "operator": "lt"}, {"OS": "Slackware", "OSVersion": "14.0", "packageVersion": "7.4p1", "arch": "x86_64", "packageFilename": "openssh-7.4p1-x86_64-2_slack14.0.txz", "packageName": "openssh", "operator": "lt"}, {"OS": "Slackware", "OSVersion": "14.0", "packageVersion": "7.4p1", "arch": "i486", "packageFilename": "openssh-7.4p1-i486-2_slack14.0.txz", "packageName": "openssh", "operator": "lt"}, {"OS": "Slackware", "OSVersion": "13.37", "packageVersion": "7.4p1", "arch": "i486", "packageFilename": "openssh-7.4p1-i486-2_slack13.37.txz", "packageName": "openssh", "operator": "lt"}, {"OS": "Slackware", "OSVersion": "13.0", "packageVersion": "7.4p1", "arch": "i486", "packageFilename": "openssh-7.4p1-i486-2_slack13.0.txz", "packageName": "openssh", "operator": "lt"}, {"OS": "Slackware", "OSVersion": "13.37", "packageVersion": "7.4p1", "arch": "x86_64", "packageFilename": "openssh-7.4p1-x86_64-2_slack13.37.txz", "packageName": "openssh", "operator": "lt"}, {"OS": "Slackware", "OSVersion": "14.2", "packageVersion": "7.4p1", "arch": "x86_64", "packageFilename": "openssh-7.4p1-x86_64-2_slack14.2.txz", "packageName": "openssh", "operator": "lt"}, {"OS": "Slackware", "OSVersion": "14.1", "packageVersion": "7.4p1", "arch": "x86_64", "packageFilename": "openssh-7.4p1-x86_64-2_slack14.1.txz", "packageName": "openssh", "operator": "lt"}, {"OS": "Slackware", "OSVersion": "13.1", "packageVersion": "7.4p1", "arch": "i486", "packageFilename": "openssh-7.4p1-i486-2_slack13.1.txz", "packageName": "openssh", "operator": "lt"}, {"OS": "Slackware", "OSVersion": "13.1", "packageVersion": "7.4p1", "arch": "x86_64", "packageFilename": "openssh-7.4p1-x86_64-2_slack13.1.txz", "packageName": "openssh", "operator": "lt"}, {"OS": "Slackware", "OSVersion": "14.2", "packageVersion": "7.4p1", "arch": "i586", "packageFilename": "openssh-7.4p1-i586-2_slack14.2.txz", "packageName": "openssh", "operator": "lt"}], "description": "New openssh packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1,\nand 14.2 to fix a security issue.\n\n\nHere are the details from the Slackware 14.2 ChangeLog:\n\npatches/packages/openssh-7.4p1-i586-2_slack14.2.txz: Rebuilt.\n sftp-server: in read-only mode, sftp-server was incorrectly permitting\n creation of zero-length files. Reported by Michal Zalewski.\n Thanks to arny (of Bluewhite64 fame) for the heads-up.\n For more information, see:\n https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15906\n (* Security fix *)\n\nWhere to find the new packages:\n\nThanks to the friendly folks at the OSU Open Source Lab\n(http://osuosl.org) for donating FTP and rsync hosting\nto the Slackware project! :-)\n\nAlso see the "Get Slack" section on http://slackware.com for\nadditional mirror sites near you.\n\nUpdated package for Slackware 13.0:\nftp://ftp.slackware.com/pub/slackware/slackware-13.0/patches/packages/openssh-7.4p1-i486-2_slack13.0.txz\n\nUpdated package for Slackware x86_64 13.0:\nftp://ftp.slackware.com/pub/slackware/slackware64-13.0/patches/packages/openssh-7.4p1-x86_64-2_slack13.0.txz\n\nUpdated package for Slackware 13.1:\nftp://ftp.slackware.com/pub/slackware/slackware-13.1/patches/packages/openssh-7.4p1-i486-2_slack13.1.txz\n\nUpdated package for Slackware x86_64 13.1:\nftp://ftp.slackware.com/pub/slackware/slackware64-13.1/patches/packages/openssh-7.4p1-x86_64-2_slack13.1.txz\n\nUpdated package for Slackware 13.37:\nftp://ftp.slackware.com/pub/slackware/slackware-13.37/patches/packages/openssh-7.4p1-i486-2_slack13.37.txz\n\nUpdated package for Slackware x86_64 13.37:\nftp://ftp.slackware.com/pub/slackware/slackware64-13.37/patches/packages/openssh-7.4p1-x86_64-2_slack13.37.txz\n\nUpdated package for Slackware 14.0:\nftp://ftp.slackware.com/pub/slackware/slackware-14.0/patches/packages/openssh-7.4p1-i486-2_slack14.0.txz\n\nUpdated package for Slackware x86_64 14.0:\nftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/packages/openssh-7.4p1-x86_64-2_slack14.0.txz\n\nUpdated package for Slackware 14.1:\nftp://ftp.slackware.com/pub/slackware/slackware-14.1/patches/packages/openssh-7.4p1-i486-2_slack14.1.txz\n\nUpdated package for Slackware x86_64 14.1:\nftp://ftp.slackware.com/pub/slackware/slackware64-14.1/patches/packages/openssh-7.4p1-x86_64-2_slack14.1.txz\n\nUpdated package for Slackware 14.2:\nftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/openssh-7.4p1-i586-2_slack14.2.txz\n\nUpdated package for Slackware x86_64 14.2:\nftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/openssh-7.4p1-x86_64-2_slack14.2.txz\n\nUpdated package for Slackware -current:\nftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/openssh-7.6p1-i586-1.txz\n\nUpdated package for Slackware x86_64 -current:\nftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/openssh-7.6p1-x86_64-1.txz\n\n\nMD5 signatures:\n\nSlackware 13.0 package:\nd005137b9abd5ede5b0a955758319639 openssh-7.4p1-i486-2_slack13.0.txz\n\nSlackware x86_64 13.0 package:\n5f6c865b70d7c9e515ede32edae07354 openssh-7.4p1-x86_64-2_slack13.0.txz\n\nSlackware 13.1 package:\n1f9d1184323a5d9b687dacef575621e8 openssh-7.4p1-i486-2_slack13.1.txz\n\nSlackware x86_64 13.1 package:\n2d13d7029e1323baa9f701ee3e2ab22b openssh-7.4p1-x86_64-2_slack13.1.txz\n\nSlackware 13.37 package:\n44b24cc609397cb71a5fb9a96a3976bf openssh-7.4p1-i486-2_slack13.37.txz\n\nSlackware x86_64 13.37 package:\nc82a179d06460070c39bb3f92217c482 openssh-7.4p1-x86_64-2_slack13.37.txz\n\nSlackware 14.0 package:\ne8330b88a844425a89b8bae4fa313c19 openssh-7.4p1-i486-2_slack14.0.txz\n\nSlackware x86_64 14.0 package:\nd01545414c9863accd14b0b1236ee2a7 openssh-7.4p1-x86_64-2_slack14.0.txz\n\nSlackware 14.1 package:\ndaaeea822204baf65a6a37d471498ad0 openssh-7.4p1-i486-2_slack14.1.txz\n\nSlackware x86_64 14.1 package:\nced48f806646c62c046e1288e4851b0a openssh-7.4p1-x86_64-2_slack14.1.txz\n\nSlackware 14.2 package:\n152c7b6d7e8d377e287c6606668fd5f5 openssh-7.4p1-i586-2_slack14.2.txz\n\nSlackware x86_64 14.2 package:\n87f82ae04ac1659ab2e611e0baf71428 openssh-7.4p1-x86_64-2_slack14.2.txz\n\nSlackware -current package:\nfacbc6cc919cc3631393c1b368740dc6 n/openssh-7.6p1-i586-1.txz\n\nSlackware x86_64 -current package:\n0a32bff85a8cf0b36b66235300a153ea n/openssh-7.6p1-x86_64-1.txz\n\n\nInstallation instructions:\n\nUpgrade the package as root:\n > upgradepkg openssh-7.4p1-i586-2_slack14.2.txz\n\nNext, restart the sshd daemon:\n > sh /etc/rc.d/rc.sshd restart", "edition": 3, "reporter": "Slackware Linux Project", "published": "2018-03-08T01:04:05", "title": "openssh", "type": "slackware", "enchantments": {"score": {"vector": "NONE", "value": 5.0}}, "bulletinFamily": "unix", "cvelist": ["CVE-2017-15906"], "modified": "2018-03-08T01:04:05", "id": "SSA-2018-067-01", "href": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.554315", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:PARTIAL/A:NONE/"}}], "aix": [{"lastseen": "2018-08-31T00:08:38", "aixFileset": [{"productVersions": ["any"], "versionGte": "4.0.0.5200", "fileset": "openssh.base.server", "versionLte": "7.1.102.1100", "productName": "aix"}, {"productVersions": ["any"], "versionGte": "4.0.0.5200", "fileset": "openssh.base.client", "versionLte": "7.1.102.1100", "productName": "aix"}], "references": [], "description": "IBM SECURITY ADVISORY\n\nFirst Issued: Tue Nov 14 09:46:19 CST 2017\n\nThe most recent version of this document is available here:\n\nhttp://aix.software.ibm.com/aix/efixes/security/openssh_advisory11.asc\nhttps://aix.software.ibm.com/aix/efixes/security/openssh_advisory11.asc\nftp://aix.software.ibm.com/aix/efixes/security/openssh_advisory11.asc\n\nSecurity Bulletin: Vulnerability in OpenSSH affects AIX (CVE-2017-15906)\n\n\n===============================================================================\n\nSUMMARY:\n\n Vulnerability in OpenSSH affects AIX.\n\n\n===============================================================================\n\nVULNERABILITY DETAILS:\n\n CVEID: CVE-2017-15906\n http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15906\n https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15906\n DESCRIPTION: The process_open function in sftp-server.c in OpenSSH does\n not properly prevent write operations in readonly mode, which allows\n attackers to create zero-length files.\n CVSS Base Score: 6.5\n CVSS Temporal Score: See\n https://exchange.xforce.ibmcloud.com/vulnerabilities/133128 for the\n current score.\n CVSS Environmental Score*: Undefined\n CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)\n\n\n AFFECTED PRODUCTS AND VERSION:\n\n AIX 5.3, 6.1, 7.1, 7.2\n VIOS 2.2.x\n\n The following fileset levels are vulnerable:\n\n key_fileset = osrcaix\n\n Fileset Lower Level Upper Level KEY\n -------------------------------------------------------------\n openssh.base.client 4.0.0.5200 7.1.102.1100 key_w_fs\n openssh.base.server 4.0.0.5200 7.1.102.1100 key_w_fs\n\n Note: To determine if your system is vulnerable, execute the\n following commands:\n\n lslpp -L | grep -i openssh.base.client\n lslpp -L | grep -i openssh.base.server\n\n\n REMEDIATION:\n\n FIXES\n\n A fix is available, and it can be downloaded from\n https://www-01.ibm.com/marketing/iwm/iwm/web/reg/download.do?source=aixbp&lang=en_US&S_PKG=openssh&cp=UTF-8\n\n To extract the fixes from the tar file:\n\n For Openssh 7.5 version -\n zcat openssh-7.5.102.1100.tar.Z | tar xvf\n\n Please refer to the Readme file to be aware of the changes that\n are part of the release.\n\n IMPORTANT: If possible, it is recommended that a mksysb backup\n of the system be created. Verify it is both bootable and\n readable before proceeding.\n\n Note that all the previously reported security vulnerability fixes\n are also included in above mentioned fileset level. Please refer\n to the readme file (provided along with the fileset) for the\n complete list of vulnerabilities fixed.\n\n To preview the fix installation:\n\n installp -apYd . openssh\n\n To install the fix package:\n\n installp -aXYd . openssh\n\n\n Published advisory OpenSSH signature file location:\n\n http://aix.software.ibm.com/aix/efixes/security/openssh_advisory11.asc.sig\n https://aix.software.ibm.com/aix/efixes/security/openssh_advisory11.asc.sig\n ftp://aix.software.ibm.com/aix/efixes/security/openssh_advisory11.asc.sig\n\n openssl dgst -sha1 -verify [pubkey_file] -signature [advisory_file].sig [advisory_file]\n\n openssl dgst -sha1 -verify [pubkey_file] -signature [ifix_file].sig [ifix_file]\n\n\n\n WORKAROUNDS AND MITIGATIONS:\n\n None.\n\n\n===============================================================================\n\nCONTACT US:\n\n If you would like to receive AIX Security Advisories via email,\n please visit \"My Notifications\":\n\n http://www.ibm.com/support/mynotifications\n https://www.ibm.com/support/mynotifications\n\n To view previously issued advisories, please visit:\n\n http://www14.software.ibm.com/webapp/set2/subscriptions/onvdq\n https://www14.software.ibm.com/webapp/set2/subscriptions/onvdq\n\n Contact IBM Support for questions related to this announcement:\n\n http://ibm.com/support/\n https://ibm.com/support/\n\n To obtain the OpenSSL public key that can be used to verify the\n signed advisories and ifixes:\n\n Download the key from our web page:\n\n http://www.ibm.com/systems/resources/systems_p_os_aix_security_pubkey.txt\n https://www.ibm.com/systems/resources/systems_p_os_aix_security_pubkey.txt\n\n To obtain the PGP public key that can be used to communicate\n securely with the AIX Security Team via security-alert@austin.ibm.com you\n can either:\n\n A. Download the key from our web page:\n\nhttp://www.ibm.com/systems/resources/systems_p_os_aix_security_pgppubkey.txt\n\n B. Download the key from a PGP Public Key Server. The key ID is:\n\n 0x28BFAA12\n\n Please contact your local IBM AIX support center for any\n assistance.\n\n\nREFERENCES:\n\n Complete CVSS v3 Guide:\n http://www.first.org/cvss/user-guide\n https://www.first.org/cvss/user-guide\n\n On-line Calculator v3:\n http://www.first.org/cvss/calculator/3.0\n https://www.first.org/cvss/calculator/3.0\n\n\nACKNOWLEDGEMENTS:\n\n None\n\n\nCHANGE HISTORY:\n\n First Issued: Tue Nov 14 09:46:19 CST 2017\n\n\n===============================================================================\n\n*The CVSS Environment Score is customer environment specific and will\nultimately impact the Overall CVSS Score. Customers can evaluate the\nimpact of this vulnerability in their environments by accessing the links\nin the Reference section of this Flash.\n\nNote: According to the Forum of Incident Response and Security Teams\n(FIRST), the Common Vulnerability Scoring System (CVSS) is an \"industry\nopen standard designed to convey vulnerability severity and help to\ndetermine urgency and priority of response.\" IBM PROVIDES THE CVSS SCORES\n\"AS IS\" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF\nMERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE\nRESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY\nVULNERABILITY.\n\n\n\n", "edition": 4, "reporter": "CentOS Project", "published": "2017-11-14T09:46:19", "title": "Vulnerabilities in OpenSSH affect AIX.", "type": "aix", "enchantments": {"score": {"vector": "NONE", "value": 6.8}}, "aix": {"apars": []}, "bulletinFamily": "unix", "cvelist": ["CVE-2017-15906"], "modified": "2017-11-14T09:46:19", "id": "OPENSSH_ADVISORY11.ASC", "href": "https://aix.software.ibm.com/aix/efixes/security/openssh_advisory11.asc", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:PARTIAL/A:NONE/"}}], "gentoo": [{"lastseen": "2018-01-08T02:51:30", "references": ["https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-15906", "https://bugs.gentoo.org/show_bug.cgi?id=633428"], "affectedPackage": [{"OS": "Gentoo", "OSVersion": "any", "packageVersion": "7.5_p1-r3", "arch": "all", "packageName": "net-misc/openssh", "packageFilename": "UNKNOWN", "operator": "lt"}], "description": "### Background\n\nOpenSSH is a complete SSH protocol implementation that includes SFTP client and server support. \n\n### Description\n\nThe process_open function in sftp-server.c in OpenSSH did not properly prevent write operations in readonly mode. \n\n### Impact\n\nA remote attacker could cause the creation of zero-length files.\n\n### Workaround\n\nThere is no known workaround at this time.\n\n### Resolution\n\nAll OpenSSH users should upgrade to the latest version:\n \n \n # emerge --sync\n # emerge --ask --oneshot --verbose \">=net-misc/openssh-7.5_p1-r3\"", "edition": 1, "reporter": "Gentoo Foundation", "published": "2018-01-07T00:00:00", "title": "OpenSSH: Permission issue", "type": "gentoo", "enchantments": {"score": {"vector": "NONE", "value": 5.0}}, "bulletinFamily": "unix", "cvelist": ["CVE-2017-15906"], "modified": "2018-01-07T00:00:00", "href": "https://security.gentoo.org/glsa/201801-05", "id": "GLSA-201801-05", "cvss": {"score": 5.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:NONE/I:PARTIAL/A:NONE/"}}], "cloudfoundry": [{"lastseen": "2018-09-07T03:25:55", "references": [], "description": "# \n\n# Severity\n\nLow\n\n# Vendor\n\nCanonical Ubuntu\n\n# Versions Affected\n\n * Canonical Ubuntu 14.04\n\n# Description\n\nJann Horn discovered that OpenSSH incorrectly loaded PKCS#11 modules from untrusted directories. A remote attacker could possibly use this issue to execute arbitrary PKCS#11 modules. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. ([CVE-2016-10009](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10009>))\n\nJann Horn discovered that OpenSSH incorrectly handled permissions on Unix-domain sockets when privilege separation is disabled. A local attacker could possibly use this issue to gain privileges. This issue only affected Ubuntu 16.04 LTS. ([CVE-2016-10010](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10010>))\n\nJann Horn discovered that OpenSSH incorrectly handled certain buffer memory operations. A local attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. ([CVE-2016-10011](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10011>))\n\nGuido Vranken discovered that OpenSSH incorrectly handled certain shared memory manager operations. A local attacker could possibly use issue to gain privileges. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. ([CVE-2016-10012](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10012>))\n\nMichal Zalewski discovered that OpenSSH incorrectly prevented write operations in readonly mode. A remote attacker could possibly use this issue to create zero-length files, leading to a denial of service. ([CVE-2017-15906](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-15906>))\n\n# Affected Cloud Foundry Products and Versions\n\n_Severity is low unless otherwise noted._\n\n * Cloud Foundry BOSH stemcells are vulnerable, including: \n * 3312.x versions prior to 3312.51\n * 3363.x versions prior to 3363.48\n * 3421.x versions prior to 3421.38\n * 3445.x versions prior to 3445.24\n * 3468.x versions prior to 3468.20\n * All other stemcells not listed.\n\n# Mitigation\n\nOSS users are strongly encouraged to follow one of the mitigations below:\n\n * The Cloud Foundry project recommends upgrading the following BOSH stemcells: \n * Upgrade 3312.x versions to 3312.51\n * Upgrade 3363.x versions to 3363.48\n * Upgrade 3421.x versions to 3421.38\n * Upgrade 3445.x versions to 3445.24\n * Upgrade 3468.x versions to 3468.20\n * All other stemcells should be upgraded to the latest version available on [bosh.io](<https://bosh.io>).\n\n# References\n\n * [USN-3538-1](<http://www.ubuntu.com/usn/usn-3538-1/>)\n * [CVE-2016-10009](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10009>)\n * [CVE-2016-10010](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10010>)\n * [CVE-2016-10011](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10011>)\n * [CVE-2016-10012](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-10012>)\n * [CVE-2017-15906](<http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-15906>)\n", "edition": 4, "reporter": "Cloud Foundry", "published": "2018-02-01T00:00:00", "title": "USN-3538-1: OpenSSH vulnerabilities | Cloud Foundry", "type": "cloudfoundry", "enchantments": {"score": {"vector": "NONE", "value": 7.2}}, "bulletinFamily": "software", "affectedSoftware": [], "cvelist": ["CVE-2016-10011", "CVE-2016-10009", "CVE-2016-10010", "CVE-2017-15906", "CVE-2016-10012"], "modified": "2018-02-01T00:00:00", "id": "CFOUNDRY:9760638505AB3E758B4030C32D579480", "href": "https://www.cloudfoundry.org/blog/usn-3538-1/", "cvss": {"score": 7.5, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}}], "ubuntu": [{"lastseen": "2018-08-31T00:09:58", "references": ["https://people.canonical.com/~ubuntu-security/cve/CVE-2016-10012", "https://people.canonical.com/~ubuntu-security/cve/CVE-2016-10009", "https://people.canonical.com/~ubuntu-security/cve/CVE-2017-15906", "https://people.canonical.com/~ubuntu-security/cve/CVE-2016-10010", "https://people.canonical.com/~ubuntu-security/cve/CVE-2016-10011"], "affectedPackage": [{"OS": "Ubuntu", "OSVersion": "16.04", "packageVersion": "1:7.2p2-4ubuntu2.4", "arch": "noarch", "packageFilename": "UNKNOWN", "packageName": "openssh-server", "operator": "lt"}, {"OS": "Ubuntu", "OSVersion": "14.04", "packageVersion": "1:6.6p1-2ubuntu2.10", "arch": "noarch", "packageFilename": "UNKNOWN", "packageName": "openssh-server", "operator": "lt"}, {"OS": "Ubuntu", "OSVersion": "17.10", "packageVersion": "1:7.5p1-10ubuntu0.1", "arch": "noarch", "packageFilename": "UNKNOWN", "packageName": "openssh-server", "operator": "lt"}], "description": "Jann Horn discovered that OpenSSH incorrectly loaded PKCS#11 modules from untrusted directories. A remote attacker could possibly use this issue to execute arbitrary PKCS#11 modules. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-10009)\n\nJann Horn discovered that OpenSSH incorrectly handled permissions on Unix-domain sockets when privilege separation is disabled. A local attacker could possibly use this issue to gain privileges. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-10010)\n\nJann Horn discovered that OpenSSH incorrectly handled certain buffer memory operations. A local attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-10011)\n\nGuido Vranken discovered that OpenSSH incorrectly handled certain shared memory manager operations. A local attacker could possibly use issue to gain privileges. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-10012)\n\nMichal Zalewski discovered that OpenSSH incorrectly prevented write operations in readonly mode. A remote attacker could possibly use this issue to create zero-length files, leading to a denial of service. (CVE-2017-15906)", "edition": 3, "reporter": "Ubuntu", "published": "2018-01-22T00:00:00", "title": "OpenSSH vulnerabilities", "type": "ubuntu", "enchantments": {"score": {"vector": "NONE", "value": 7.2}}, "bulletinFamily": "unix", "cvelist": ["CVE-2016-10011", "CVE-2016-10009", "CVE-2016-10010", "CVE-2017-15906", "CVE-2016-10012"], "modified": "2018-01-22T00:00:00", "id": "USN-3538-1", "href": "https://usn.ubuntu.com/3538-1/", "cvss": {"score": 7.5, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:PARTIAL/I:PARTIAL/A:PARTIAL/"}}], "debian": [{"lastseen": "2018-10-16T22:15:02", "references": [], "affectedPackage": [{"OS": "Debian", "OSVersion": "8", "packageVersion": "1:6.7p1-5+deb8u6", "arch": "all", "packageFilename": "openssh-client_1:6.7p1-5+deb8u6_all.deb", "packageName": "openssh-client", "operator": "lt"}, {"OS": "Debian", "OSVersion": "8", "packageVersion": "1:6.7p1-5+deb8u6", "arch": "all", "packageFilename": "ssh-askpass-gnome_1:6.7p1-5+deb8u6_all.deb", "packageName": "ssh-askpass-gnome", "operator": "lt"}, {"OS": "Debian", "OSVersion": "8", "packageVersion": "1:6.7p1-5+deb8u6", "arch": "all", "packageFilename": "ssh-krb5_1:6.7p1-5+deb8u6_all.deb", "packageName": "ssh-krb5", "operator": "lt"}, {"OS": "Debian", "OSVersion": "8", "packageVersion": "1:6.7p1-5+deb8u6", "arch": "all", "packageFilename": "openssh-server_1:6.7p1-5+deb8u6_all.deb", "packageName": "openssh-server", "operator": "lt"}, {"OS": "Debian", "OSVersion": "8", "packageVersion": "1:6.7p1-5+deb8u6", "arch": "all", "packageFilename": "openssh_1:6.7p1-5+deb8u6_all.deb", "packageName": "openssh", "operator": "lt"}, {"OS": "Debian", "OSVersion": "8", "packageVersion": "1:6.7p1-5+deb8u6", "arch": "all", "packageFilename": "ssh_1:6.7p1-5+deb8u6_all.deb", "packageName": "ssh", "operator": "lt"}, {"OS": "Debian", "OSVersion": "8", "packageVersion": "1:6.7p1-5+deb8u6", "arch": "all", "packageFilename": "openssh-sftp-server_1:6.7p1-5+deb8u6_all.deb", "packageName": "openssh-sftp-server", "operator": "lt"}], "description": "Package : openssh\nVersion : 1:6.7p1-5+deb8u6\nCVE ID : CVE-2015-5352 CVE-2015-5600 CVE-2015-6563 CVE-2015-6564\n CVE-2016-1908 CVE-2016-3115 CVE-2016-6515 CVE-2016-10009\n CVE-2016-10011 CVE-2016-10012 CVE-2016-10708\n CVE-2017-15906\nDebian Bug : 790798 793616 795711 848716 848717\n\n\nSeveral vulnerabilities have been found in OpenSSH, a free implementation\nof the SSH protocol suite:\n\nCVE-2015-5352\n\n OpenSSH incorrectly verified time window deadlines for X connections.\n Remote attackers could take advantage of this flaw to bypass intended\n access restrictions. Reported by Jann Horn.\n\nCVE-2015-5600\n\n OpenSSH improperly restricted the processing of keyboard-interactive\n devices within a single connection, which could allow remote attackers\n to perform brute-force attacks or cause a denial of service, in a\n non-default configuration.\n\nCVE-2015-6563\n\n OpenSSH incorrectly handled usernames during PAM authentication. In\n conjunction with an additional flaw in the OpenSSH unprivileged child\n process, remote attackers could make use if this issue to perform user\n impersonation. Discovered by Moritz Jodeit.\n\nCVE-2015-6564\n\n Moritz Jodeit discovered a use-after-free flaw in PAM support in\n OpenSSH, that could be used by remote attackers to bypass\n authentication or possibly execute arbitrary code.\n\nCVE-2016-1908\n\n OpenSSH mishandled untrusted X11 forwarding when the X server disables\n the SECURITY extension. Untrusted connections could obtain trusted X11\n forwarding privileges. Reported by Thomas Hoger.\n\nCVE-2016-3115\n\n OpenSSH improperly handled X11 forwarding data related to\n authentication credentials. Remote authenticated users could make use\n of this flaw to bypass intended shell-command restrictions. Identified\n by github.com/tintinweb.\n\nCVE-2016-6515\n\n OpenSSH did not limit password lengths for password authentication.\n Remote attackers could make use of this flaw to cause a denial of\n service via long strings.\n\nCVE-2016-10009\n\n Jann Horn discovered an untrusted search path vulnerability in\n ssh-agent allowing remote attackers to execute arbitrary local\n PKCS#11 modules by leveraging control over a forwarded agent-socket.\n\nCVE-2016-10011\n\n Jann Horn discovered that OpenSSH did not properly consider the\n effects of realloc on buffer contents. This may allow local users to\n obtain sensitive private-key information by leveraging access to a\n privilege-separated child process.\n\nCVE-2016-10012\n\n Guido Vranken discovered that the OpenSSH shared memory manager\n did not ensure that a bounds check was enforced by all compilers,\n which could allow local users to gain privileges by leveraging access\n to a sandboxed privilege-separation process.\n\nCVE-2016-10708\n\n NULL pointer dereference and daemon crash via an out-of-sequence\n NEWKEYS message.\n\nCVE-2017-15906\n\n Michal Zalewski reported that OpenSSH improperly prevent write\n operations in readonly mode, allowing attackers to create zero-length\n files.\n\nFor Debian 8 "Jessie", these problems have been fixed in version\n1:6.7p1-5+deb8u6.\n\nWe recommend that you upgrade your openssh packages.\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS\n", "edition": 1, "reporter": "Debian", "published": "2018-09-10T08:45:03", "title": "[SECURITY] [DLA 1500-1] openssh security update", "type": "debian", "enchantments": {"score": {"modified": "2018-10-16T22:15:02", "vector": "NONE", "value": 7.2}}, "bulletinFamily": "unix", "cvelist": ["CVE-2015-5600", "CVE-2016-1908", "CVE-2016-10708", "CVE-2016-10011", "CVE-2015-6564", "CVE-2016-10009", "CVE-2016-6515", "CVE-2015-5352", "CVE-2016-3115", "CVE-2017-15906", "CVE-2016-10012", "CVE-2015-6563"], "modified": "2018-09-10T08:45:03", "id": "DEBIAN:DLA-1500-1:E6BD7", "href": "https://lists.debian.org/debian-lts-announce/2018/debian-lts-announce-201809/msg00010.html", "cvss": {"score": 8.5, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:PARTIAL/I:NONE/A:COMPLETE/"}}]}
