IBM AIX 6.1/7.1 tftp Client access control

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

A vulnerability was found in IBM AIX 6.1/7.1 (Operating System). It has been classified as critical. This affects an unknown functionality of the component tftp Client. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

The TFTP client in IBM AIX 6.1 and 7.1, and VIOS 2.2.2.2-FP-26 SP-02, when RBAC is enabled, allows remote authenticated users to bypass intended file-ownership restrictions, and read or overwrite arbitrary files, via unspecified vectors.

The issue has been introduced in 11/09/2007. The weakness was shared 07/03/2013 as confirmed advisory (Website). It is possible to read the advisory at aix.software.ibm.com. This vulnerability is uniquely identified as CVE-2013-3005 since 04/12/2013. It is possible to initiate the attack remotely. The successful exploitation needs a authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 2063 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 67178 (AIX 7.1 TL 1 : tftp (IV42700)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks.

Applying the patch tftp_fix is able to eliminate this problem. The bugfix is ready for download at aix.software.ibm.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (85366) and Tenable (67178).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 8.1
VulDB Temp Score: 7.1
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: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67178
Nessus Name: AIX 7.1 TL 1 : tftp (IV42700)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: tftp_fix

Timelineinfo

11/09/2007 🔍
04/12/2013 +1981 days 🔍
07/03/2013 +82 days 🔍
07/03/2013 +0 days 🔍
07/03/2013 +0 days 🔍
07/03/2013 +0 days 🔍
07/05/2013 +2 days 🔍
07/06/2013 +1 days 🔍
07/07/2013 +1 days 🔍
07/08/2013 +1 days 🔍
05/18/2021 +2871 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: aix.software.ibm.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-3005 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 85366 - IBM AIX tftp client file overwrite, High Risk
Vulnerability Center: 40338 - IBM AIX Remote Authenticated Arbitrary File Read or Overwrite When RBAC is Enabled, High
SecurityFocus: 60954 - IBM AIX TFTP Client CVE-2013-3005 Security Bypass Vulnerability
Secunia: 54050 - IBM AIX tftp Client Security Bypass Vulnerability, Less Critical
OSVDB: 94842

Entryinfo

Created: 07/08/2013 16:19
Updated: 05/18/2021 07:09
Changes: 07/08/2013 16:19 (84), 05/04/2017 11:43 (2), 05/18/2021 07:09 (3)
Complete: 🔍
Committer: olku

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