IBM AIX 6.1 ldap.cfg improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability was found in IBM AIX 6.1 (Operating System). It has been classified as critical. This affects some unknown functionality of the file ldap.cfg. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The LDAP login feature in bos.rte.security 6.1.6.4 in IBM AIX 6.1, when ldap_auth is enabled in ldap.cfg, allows remote attackers to bypass authentication via a login attempt with an arbitrary password.

The issue has been introduced in 11/09/2007. The weakness was presented 04/05/2011 (Website). It is possible to read the advisory at vupen.com. This vulnerability is uniquely identified as CVE-2011-1561. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/21/2021). It is expected to see the exploit prices for this product decreasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 1243 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 54341 (AIX 6.1 TL 6 : bos.rte.security (U833130)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (66524) and Tenable (54341).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 54341
Nessus Name: AIX 6.1 TL 6 : bos.rte.security (U833130)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/09/2007 🔍
04/01/2011 +1239 days 🔍
04/01/2011 +0 days 🔍
04/03/2011 +2 days 🔍
04/05/2011 +1 days 🔍
04/05/2011 +0 days 🔍
04/05/2011 +0 days 🔍
05/19/2011 +44 days 🔍
03/20/2015 +1401 days 🔍
10/21/2021 +2407 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: vupen.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-1561 (🔍)
X-Force: 66524
Vulnerability Center: 30739 - IBM AIX 6.1 through 6.1.6 Remote Authentication Bypass Vulnerability, Medium
SecurityFocus: 47125 - IBM AIX LDAP Login Unauthorized Access Vulnerability
Secunia: 43968

Entryinfo

Created: 03/20/2015 16:16
Updated: 10/21/2021 18:25
Changes: 03/20/2015 16:16 (58), 03/20/2017 09:24 (8), 10/21/2021 18:17 (5), 10/21/2021 18:25 (1)
Complete: 🔍
Cache ID: 3:310:103

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