IBM AIX 4.3/4.3.1/4.3.2/4.3.3 piobe Environment Variable memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in IBM AIX 4.3/4.3.1/4.3.2/4.3.3. Affected by this vulnerability is an unknown functionality of the file piobe. Such manipulation as part of Environment Variable leads to memory corruption. This vulnerability is referenced as CVE-2000-1124. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in IBM AIX 4.3/4.3.1/4.3.2/4.3.3 (Operating System). It has been rated as critical. Affected by this issue is an unknown code block of the file piobe. The manipulation as part of a Environment Variable leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in piobe command in IBM AIX 4.3.x allows local users to gain privileges via long environmental variables.

The bug was discovered 12/01/2000. The weakness was published 01/09/2001 by Esa Etelavuori (FIRST) (Website). The advisory is shared for download at marc.info. This vulnerability is handled as CVE-2000-1124. 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.

A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1196 days. During that time the estimated underground price was around $25k-$100k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5616), Exploit-DB (20455), SecurityFocus (BID 2037†), OSVDB (1680†) and Vulnerability Center (SBV-22085†). Similar entries are available at VDB-16276, VDB-16277 and VDB-16278. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/01/1997 🔍
12/01/2000 +1157 days 🔍
12/01/2000 +0 days 🔍
12/01/2000 +0 days 🔍
01/09/2001 +39 days 🔍
01/09/2001 +0 days 🔍
05/18/2009 +3051 days 🔍
07/02/2014 +1871 days 🔍
06/05/2024 +3626 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: marc.info
Researcher: Esa Etelavuori (FIRST)
Status: Not defined

CVE: CVE-2000-1124 (🔍)
GCVE (CVE): GCVE-0-2000-1124
GCVE (VulDB): GCVE-100-16280
X-Force: 5616
SecurityFocus: 2037 - AIX piobe Buffer Overflow Vulnerability
OSVDB: 1680 - IBM AIX, Buffer Overflow in Piobe Program
Vulnerability Center: 22085 - IBM AIX 4.3 PIOBE Command Long Environmental Variables Local Privilege Escalation Vulnerability, High

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

Entryinfo

Created: 07/02/2014 12:57
Updated: 06/05/2024 05:41
Changes: 07/02/2014 12:57 (69), 09/04/2019 11:38 (4), 06/05/2024 05:41 (17)
Complete: 🔍
Cache ID: 216::103

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