What is CVE-2018-1636?

CVE-2018-1636 is a medium-severity vulnerability in Ibm Informix_dynamic_server, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2019-08-20.

How severe is CVE-2018-1636?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Buffer overflow in Ibm Informix_dynamic_server

CVE-2018-1636

Stack-based buffer overflow in oninit in IBM Informix Dynamic Server Enterprise Edition 12.1 allows an authenticated user to execute predefined code with root privileges, such as escalating to a root shell. IBM X-Force ID: 144441.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (35.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Informix_dynamic_server — versions 12.10
Ibm Informix Dynamic Server Enterprise Edition — versions 12.1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2018-1636?: CVE-2018-1636 is a medium-severity vulnerability in Ibm Informix_dynamic_server, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2019-08-20.
How severe is CVE-2018-1636?: Medium severity. CVSS v3 base score is 6.7 out of 10.