Privilege Escalation via PATH Manipulation in IBM DB2 High Performance Unload Load for LUW 6.1

CVE-2019-4447 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

IBM DB2 High Performance Unload load for LUW 6.1, 6.1.0.1, 6.1.0.1 IF1, 6.1.0.2, 6.1.0.2 IF1, and 6.1.0.1 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.

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