Zero-day vulnerability in Oracle Database Server

Spoofing attack
CVE-2012-1675

Joxean Koret discovered this vulnerability in 2008 and publicly disclosed in 2012.

The vulnerability was used in "TNS Listener Poison Attack"

Vulnerability details

Advisory: SB2012041801 - TNS Listener Poisoning Attack in Oracle Database

Vulnerable component: Oracle Database Server

CVE-ID: CVE-2012-1675

CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:F/RL:O/RC:C

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Description:

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an error in the TNS listener service. A remote attacker can register an existing instance or service name, use man-in-the-middle techniques and read, inject or modify transmitted data.

Successful exploitation of this vulnerability may result in unauthorized access to entire database.

Note: the vulnerability was being actively exploited.