IBM AIX 4.3.3 rexecd privileges management

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in IBM AIX 4.3.3 (Operating System). Affected by this issue is an unknown function of the component rexecd. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, and integrity. CVE summarizes:

rexecd for AIX 4.3.3 does not properly use a local copy of the pwd structure when calling getpwnam, which may cause the structure to be overwritten by the authenticate function and assign privileges to the wrong user.

The bug was discovered 03/09/2004. The weakness was published 03/09/2004 with IBM (Website). The advisory is shared for download at techsupport.services.ibm.com. This vulnerability is handled as CVE-2004-2388 since 08/16/2005. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 1651 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 5.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at www-912.ibm.com. The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the vulnerability database at X-Force (15455). www-1.ibm.com is providing further details.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: AIX 5.1
Patch: www-912.ibm.com

Timelineinfo

09/01/1999 🔍
03/09/2004 +1651 days 🔍
03/09/2004 +0 days 🔍
03/09/2004 +0 days 🔍
03/09/2004 +0 days 🔍
03/15/2004 +6 days 🔍
03/15/2004 +0 days 🔍
03/15/2004 +0 days 🔍
12/31/2004 +290 days 🔍
08/16/2005 +228 days 🔍
03/10/2009 +1302 days 🔍
06/27/2019 +3761 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: techsupport.services.ibm.com
Researcher: http://www.ibm.com
Organization: IBM
Status: Not defined

CVE: CVE-2004-2388 (🔍)
X-Force: 15455 - IBM rexecd allows elevated privileges, High Risk
Vulnerability Center: 21250 - IBM AIX 4.3.3 REXECD Vulnerability Allows Remote Attacker to Gain Elevated Privileges, Critical
SecurityFocus: 9835 - IBM AIX Rexecd Privilege Escalation Vulnerability
Secunia: 11085 - AIX rexecd Privilege Escalation Vulnerability, Less Critical
OSVDB: 4248 - IBM AIX rexecd Privilege Escalation

Misc.: 🔍

Entryinfo

Created: 03/15/2004 13:54
Updated: 06/27/2019 22:22
Changes: 03/15/2004 13:54 (81), 06/27/2019 22:22 (4)
Complete: 🔍

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