![]() ![]() A local attacker can exploit this to gain elevated privileges. (CVE-2016-10011) - A flaw exists in sshd within the shared memory manager used by pre-authenticating compression support due to a bounds check being elided by some optimizing compilers and due to the memory manager being incorrectly accessible when pre-authenticating compression is disabled. Note that no such leak has been observed in practice for normal-sized keys, nor does a leak to the child processes directly expose key material to unprivileged users. A local attacker can possibly exploit this to disclose sensitive key material. (CVE-2016-10010) - An information disclosure vulnerability exists in sshd within the realloc() function due leakage of key material to privilege-separated child processes when reading keys. (CVE-2016-10009) - A flaw exists in sshd due to creating forwarded Unix-domain sockets with 'root' privileges whenever privilege separation is disabled. To exploit this vulnerability, the attacker would need to control the forwarded agent-socket (on the host running the sshd server) and the ability to write to the file system of the host running ssh-agent. A local attacker can exploit this, by using a crafted request to load hostile modules via agent forwarding, to execute arbitrary code. It is, therefore, affected by multiple vulnerabilities : - A flaw exists in ssh-agent due to loading PKCS#11 modules from paths that are outside a trusted whitelist. Description According to its banner, the version of OpenSSH running on the remote host is prior to 7.4. ![]() Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions.Synopsis The SSH server running on the remote host is affected by multiple vulnerabilities. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. "Affected Products and Versions" referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. We are making clients aware of relevant vulnerabilities as we become aware of them. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. ![]() In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ![]()
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