VDB-17063 · CVE-2001-0498 · XFDB 6713

Oracle 8.1.7 Transparent Network Substrate denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Oracle 8.1.7. This affects an unknown part of the component Transparent Network Substrate. The manipulation leads to denial of service. This vulnerability is listed as CVE-2001-0498. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle 8.1.7. It has been rated as problematic. This issue affects an unknown code of the component Transparent Network Substrate. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Transparent Network Substrate (TNS) over Net8 (SQLNet) in Oracle 8i 8.1.7 and earlier allows remote attackers to cause a denial of service via a malformed SQLNet connection request with a large offset in the header extension.

The weakness was presented 07/21/2001 by Nishad Herath (ERNE) (Website). It is possible to read the advisory at nai.com. The identification of this vulnerability is CVE-2001-0498. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 19055 (Multiple Oracle 8i Listener Vulnerabilities).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (6713), SecurityFocus (BID 2940†) and Vulnerability Center (SBV-3100†). See VDB-17071 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Oracle

Version

8.1.7

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/27/2001 🔍
07/21/2001 +24 days 🔍
07/21/2001 +0 days 🔍
07/21/2001 +0 days 🔍
12/08/2003 +870 days 🔍
07/07/2014 +3864 days 🔍
05/17/2019 +1775 days 🔍

Sourcesinfo

Advisory: nai.com
Researcher: Nishad Herath (ERNE)
Status: Not defined

CVE: CVE-2001-0498 (🔍)
GCVE (CVE): GCVE-0-2001-0498
GCVE (VulDB): GCVE-100-17063
X-Force: 6713
SecurityFocus: 2940 - Oracle 8i SQLNet Denial of Service Vulnerability
Vulnerability Center: 3100 - DoS in SQLNet in Oracle 8i 8.1.7 and Earlier via a Malformed SQLNet Connection, High

See also: 🔍

Entryinfo

Created: 07/07/2014 15:37
Updated: 05/17/2019 17:33
Changes: 07/07/2014 15:37 (57), 05/17/2019 17:33 (4)
Complete: 🔍
Cache ID: 216::103