CVE-2019-4447
A low privileged user can execute arbitrary commands as root by altering the PATH variable to point to a user controlled location.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-427
- Affected
- ibm/db2 high performance unload load
- Source
- psirt@us.ibm.com
References
- http://www.ibm.com/support/docview.wss?uid=ibm10964592Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/163488VDB Entry, Vendor Advisory
- http://www.ibm.com/support/docview.wss?uid=ibm10964592Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/163488VDB Entry, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.