IBM AIX up to 4.1.5 connect denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in IBM AIX up to 4.1.5. This affects the function connect. Such manipulation leads to denial of service. This vulnerability is listed as CVE-1999-1408. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in IBM AIX up to 4.1.5 (Operating System). It has been rated as problematic. Affected by this issue is the function connect. 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. CVE summarizes:

Vulnerability in AIX 4.1.4 and HP-UX 10.01 and 9.05 allows local users to cause a denial of service (crash) by using a socket to connect to a port on the localhost, calling shutdown to clear the socket, then using the same socket to connect to a different port on localhost.

The issue has been introduced in 08/12/1994. The weakness was presented 03/05/1997 by Cahya Wirawan as not defined posting (Bugtraq). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is handled as CVE-1999-1408. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 936 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 4.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (19278) and SecurityFocus (BID 352†). Once again VulDB remains the best source for vulnerability data.

Affected

  • IBM AIX up to 4.1/4.1.1/4.1.2/4.1.3/4.1.4
  • HP HP-UX 9.5/10.10/10.20

Not Affected

  • IBM AIX 3.1/3.2/3.2.4/3.2.5

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: AIX 4.2

Timelineinfo

08/12/1994 🔍
03/05/1997 +936 days 🔍
03/05/1997 +0 days 🔍
03/05/1997 +0 days 🔍
06/17/2014 +6313 days 🔍
04/16/2026 +4321 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: marc.theaimsgroup.com
Researcher: Cahya Wirawan
Status: Confirmed

CVE: CVE-1999-1408 (🔍)
GCVE (CVE): GCVE-0-1999-1408
GCVE (VulDB): GCVE-100-13868
SecurityFocus: 352 - Multiple Vendor connect() Denial of Service Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/18/2014 01:06
Updated: 04/16/2026 17:41
Changes: 06/18/2014 01:06 (56), 04/13/2019 10:09 (3), 08/17/2024 15:51 (25), 04/16/2026 17:41 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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