Citrix CloudStack User Account Cloud.com access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Citrix CloudStack. It has been declared as critical. This issue affects some unknown processing of the file Cloud.com of the component User Account. Such manipulation leads to access control. This vulnerability is traded as CVE-2012-4501. Furthermore, there is an exploit available. Applying the suggested workaround is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Citrix CloudStack (Connectivity Software) (version now known). Affected by this issue is some unknown processing of the file Cloud.com of the component User Account. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Citrix Cloud.com CloudStack, and Apache CloudStack pre-release, allows remote attackers to make arbitrary API calls by leveraging the system user account, as demonstrated by API calls to delete VMs.

The weakness was shared 10/10/2012 by Hugo Trippaers and Schuberg Philis as confirmed blog post (Website). The advisory is shared for download at cloudstack.org. The vendor cooperated in the coordination of the public release. This vulnerability is handled as CVE-2012-4501 since 08/21/2012. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a private exploit are known. The MITRE ATT&CK project declares the attack technique as T1068. Citrix CloudStack contains a flaw that may allow an unauthorized remote attacker to invoke arbitrary API calls, such as delete all VMs from a user's system.

The best possible mitigation is suggested to be Workaround. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability. Addressing this issue is especially important for anybody using CloudStack in a public environment. Alternatively, users can update to a version of CloudStack based on the git repository on or after October 7th, 2012.

The vulnerability is also documented in the databases at X-Force (79212), SecurityFocus (BID 55876†) and OSVDB (86683†). archives.neohapsis.com is providing further details. The entry VDB-6825 is related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.8

VulDB Base Score: 10.0
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Workaround
Status: 🔍

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

Timelineinfo

08/21/2012 🔍
10/07/2012 +47 days 🔍
10/10/2012 +3 days 🔍
10/26/2012 +16 days 🔍
10/27/2012 +1 days 🔍
10/29/2012 +2 days 🔍
11/05/2012 +7 days 🔍
03/15/2019 +2321 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: cloudstack.org
Researcher: Hugo Trippaers, Schuberg Philis
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-4501 (🔍)
GCVE (CVE): GCVE-0-2012-4501
GCVE (VulDB): GCVE-100-6824
X-Force: 79212 - Apache Cloudstack code execution, High Risk
SecurityFocus: 55876 - Apache CloudStack CVE-2012-4501 Security Bypass Vulnerability
OSVDB: 86683

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/29/2012 15:46
Updated: 03/15/2019 10:13
Changes: 10/29/2012 15:46 (53), 03/15/2019 10:13 (18)
Complete: 🔍
Committer:
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!