IBM AIX 5.2.0/5.3.0 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

A vulnerability classified as problematic was found in IBM AIX 5.2.0/5.3.0 (Operating System). Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

ftpd in IBM AIX 5.2.0 and 5.3.0 allows remote authenticated users to cause a denial of service (port exhaustion) via unspecified vectors. NOTE: some details were obtained from third party sources.

The bug was discovered 12/08/2006. The weakness was shared 12/31/2006 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2006-6915 since 01/09/2007. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1434 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 65311 (AIX 5.3 TL 6 : bos.net.tcp.client (U809506)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115494 (Multiple FTPD Vulnerabilities).

A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (31353) and Tenable (65311). The entries 2474, 2490, 2568 and 2570 are related to this item.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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CVSSv2info

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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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Nessus ID: 65311
Nessus Name: AIX 5.3 TL 6 : bos.net.tcp.client (U809506)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: no mitigation known
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0-Day Time: 🔍

Timelineinfo

10/01/2002 🔍
09/04/2006 +1434 days 🔍
12/08/2006 +95 days 🔍
12/31/2006 +23 days 🔍
12/31/2006 +0 days 🔍
12/31/2006 +0 days 🔍
01/08/2007 +8 days 🔍
01/09/2007 +1 days 🔍
01/09/2007 +0 days 🔍
01/09/2007 +0 days 🔍
01/16/2007 +7 days 🔍
03/13/2013 +2248 days 🔍
03/12/2015 +729 days 🔍
07/13/2019 +1584 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: securityfocus.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-6915 (🔍)
X-Force: 31353
SecurityTracker: 1017480
Vulnerability Center: 14053 - IBM AIX 5.2, 5.3 Remote Users Can Cause Denial of Service by Port Exhaustion, Medium
SecurityFocus: 21940 - IBM AIX FTPD Ephemeral Port Exhaustion Denial Of Service Vulnerability
Secunia: 23688 - IBM AIX ftpd Two Vulnerabilities, Moderately Critical
OSVDB: 32656 - IBM - AIX FTPD Ephemeral Port Exhaustion Denial Of Service Issue
Vupen: ADV-2007-0101

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Entryinfo

Created: 03/12/2015 22:21
Updated: 07/13/2019 18:31
Changes: 03/12/2015 22:21 (72), 07/13/2019 18:31 (12)
Complete: 🔍

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