Vulnerability 18946 - CERT Civis.Net

Vulnerability Name:

CCN-18946

Published:

2005-01-18

Updated:

2005-01-18

Summary:

Oracle Database Servers are vulnerable to a denial of service attack, caused by a buffer overflow. The CREATE DATABASE LINK privilege is a default privilege with the CONNECT role. A remote attacker with this privilege could supply a specially-crafted connection string to overflow a buffer and cause the server to crash.

CVSS v3 Severity:

3.5 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)
3.5 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P/E:H/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Consequences:

Denial of Service

References:

Source: CCN
Type: Oracle Critical Patch Update Advisory January 2005
Critical Patch Update - January 2005

Source: CCN
Type: Red-Database-Security Advisory RDS_20050118_1
Buffer Overflow in Create Database Link in Oracle8i - 9i

Source: CCN
Type: BID-12296
Oracle Database Multiple Unspecified Vulnerabilities

Source: XF
Type: UNKNOWN
oracle-database-link-dos(18946)

Vulnerable Configuration:

Configuration CCN 1:

cpe:/a:oracle:database_server:8.0.6:*:*:*:*:*:*:*

OR cpe:/a:oracle:database_server:8.1.7.4:*:*:*:*:*:*:*

OR cpe:/a:oracle:database_server:9.2.0.6:r2:*:*:*:*:*:*

OR cpe:/a:oracle:database_server:8.0.6.3:*:*:*:*:*:*:*

OR cpe:/a:oracle:database_server:9.0.1.5::fips:*:*:*:*:*

Denotes that component is vulnerable

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