Oracle 8.1.7 Transparent Network Substrate denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

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 vulnerability database at X-Force (6713). See 17071 for similar entry.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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CVSSv2info

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Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
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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 (🔍)
X-Force: 6713
Vulnerability Center: 3100 - DoS in SQLNet in Oracle 8i 8.1.7 and Earlier via a Malformed SQLNet Connection, High
SecurityFocus: 2940 - Oracle 8i SQLNet Denial of Service Vulnerability

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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: 🔍

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