IBM AIX 4.3.0 PMTU denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in IBM AIX 4.3.0. This impacts an unknown function of the component PMTU Handler. The manipulation leads to denial of service. This vulnerability is listed as CVE-2001-1554. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in IBM AIX 4.3.0 (Operating System). It has been rated as problematic. This issue affects some unknown functionality of the component PMTU Handler. 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:

IBM AIX 430 does not properly unlock IPPMTU_LOCK, which allows remote attackers to cause a denial of service (hang) via Path Maximum Transmit Unit (PMTU) IP packets.

The issue has been introduced in 10/01/1997. The weakness was presented 12/31/2001 (Website). The advisory is shared at archives.neohapsis.com. The identification of this vulnerability is CVE-2001-1554 since 07/14/2005. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1552 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 4.3.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (23560) and Vulnerability Center (SBV-22078†). See VDB-17848 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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Version

License

Website

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

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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: AIX 4.3.1

Timelineinfo

10/01/1997 🔍
12/18/2001 +1539 days 🔍
12/31/2001 +13 days 🔍
12/31/2001 +0 days 🔍
07/14/2005 +1291 days 🔍
05/18/2009 +1404 days 🔍
07/11/2014 +1880 days 🔍
01/14/2018 +1283 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: archives.neohapsis.com
Status: Not defined

CVE: CVE-2001-1554 (🔍)
GCVE (CVE): GCVE-0-2001-1554
GCVE (VulDB): GCVE-100-17873
X-Force: 23560
Vulnerability Center: 22078 - IBM AIX 430 PMTU IP Packets Remote Denial of Service Vulnerability, High

See also: 🔍

Entryinfo

Created: 07/11/2014 13:31
Updated: 01/14/2018 10:25
Changes: 07/11/2014 13:31 (53), 01/14/2018 10:25 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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