IBM DB2 High Performance Unload load for LUW 6.1,, IF1,, IF1, and IF2 db2hpum_debug is a setuid root binary which trusts the PATH environment variable. A low privileged user can execute arbitrary commands as root by altering the PATH variable to point to a user controlled location. When a crash is induced the trojan gdb command is executed. IBM X-Force ID: 163488.

Source: CVE-2019-4447

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