VDB-146189 · CVE-2012-6639 · BID 66019

cloud-init up to 0.6.x EC2 Instance Data Request privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in cloud-init up to 0.6.x. Affected is an unknown function of the component EC2 Instance Data Handler. The manipulation as part of Request leads to privileges management. This vulnerability is traded as CVE-2012-6639. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in cloud-init up to 0.6.x (Cloud Software). This issue affects an unknown functionality of the component EC2 Instance Data Handler. The manipulation as part of a Request 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, integrity, and availability. The summary by CVE is:

An privilege elevation vulnerability exists in Cloud-init before 0.7.0 when requests to an untrusted system are submitted for EC2 instance data.

The weakness was shared 11/25/2019. The identification of this vulnerability is CVE-2012-6639 since 03/06/2014. The exploitation is known to be easy. The attack may be initiated remotely. The successful exploitation needs a simple authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 0.7.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (104166†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
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: cloud-init 0.7.0

Timelineinfo

03/06/2014 🔍
11/25/2019 +2090 days 🔍
11/26/2019 +1 days 🔍
02/27/2024 +1554 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined

CVE: CVE-2012-6639 (🔍)
GCVE (CVE): GCVE-0-2012-6639
GCVE (VulDB): GCVE-100-146189
SecurityFocus: 66019
OSVDB: 104166

Entryinfo

Created: 11/26/2019 06:53
Updated: 02/27/2024 07:55
Changes: 11/26/2019 06:53 (38), 11/26/2019 06:58 (18), 02/27/2024 07:55 (5)
Complete: 🔍
Cache ID: 216:599:103

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