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CVE-2016-6664, also assigned the duplicate identifier CVE-2016-5617, is a local privilege-escalation vulnerability in MySQL-family mysqld_safe wrappers. When file-based logging is enabled, mysqld_safe insecurely creates and changes ownership or permissions of its error log while executing with root privileges. An attacker controlling the mysql operating-system account can replace a writable log file with a symbolic link to an attacker-selected target and induce mysqld_safe to recreate the log, such as by terminating the mysqld child process. This can cause attacker-selected files to be created or modified under mysql ownership, enabling escalation from mysql to root.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
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19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Insecure error-log file handling in MySQL mysqld_safe, addressed in the Red Hat MariaDB 10.1.29 update.
Insecure mysqld_safe error-log-file handling allowing the mysql OS user to escalate privileges to root.
Insecure error-log file handling in mysqld_safe enables local privilege escalation from the mysql OS account to root.
Unknown
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.