What is CVE-2019-4523?

CVE-2019-4523 is a high-severity vulnerability in Ibm Db2_high_performance_unload_load, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2019-10-22.

How severe is CVE-2019-4523?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Ibm Db2_high_performance_unload_load

CVE-2019-4523

IBM DB2 High Performance Unload load for LUW 6.1 and 6.5 is vulnerable to a buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with root privileges. IBM X-Force ID…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (34.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Db2_high_performance_unload_load — versions 6.1, 6.5
Ibm Db2 High Performance Unload Load For Luw — versions 6.5, 6.1
Linux Linux_kernel
Microsoft Windows
Opengroup Unix

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

psirt@us.ibm.com (Permissions Required, x_refsource_CONFIRM)
psirt@us.ibm.com (VDB Entry, vdb-entry, Vendor Advisory, x_refsource_XF)

Frequently asked questions

What is CVE-2019-4523?: CVE-2019-4523 is a high-severity vulnerability in Ibm Db2_high_performance_unload_load, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2019-10-22.
How severe is CVE-2019-4523?: High severity. CVSS v3 base score is 7.8 out of 10.