PT-2021-1881 · Oracle · Oracle Database Server

Yakov Shafranovich · Published 2021-01-20 · Updated 2021-01-25 · CVE-2021-2018

Positive Technologies (AI Summary)

CVSS v3.1

8.3

High

Base vector

AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Oracle Database Server versions 18c through 19c

Description The issue is related to insufficient input validation in the Advanced Networking Option component of Oracle Database Server, allowing an unauthenticated attacker with network access via Oracle Net to compromise the component. Successful attacks require human interaction from a person other than the attacker and may significantly impact additional products, potentially resulting in the takeover of Advanced Networking Option.

Recommendations For versions 18c and 19c, update to a version that includes the fix for this issue to prevent potential exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-00650

CVE-2021-2018

Affected Products

Oracle Database Server

References · 6

• https://bdu.fstec.ru/vul/2021-00650 · Security Note
• https://oracle.com/security-alerts/cpujan2021.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-2018 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-2018 · Security Note
• https://cybersecurity-help.cz/vdb/SB2021011912 · Note
• https://t.me/cvenotify/8934 · Telegram Post