Citrix XenServer 6.2.0 HVM Graphics Console Support memory corruption

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CVSS Meta Temp Score
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5.2$0-$5k0.00

A vulnerability, which was classified as problematic, was found in Citrix XenServer 6.2.0 (Virtualization Software). Affected is an unknown code block of the component HVM Graphics Console Support. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 07/15/2014 as CTX140984 as confirmed advisory (Website). The advisory is available at support.citrix.com. This vulnerability is traded as CVE-2014-4947 since 07/14/2014. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 76771 (Citrix XenServer Multiple Vulnerabilities (CTX140984)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc.. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370039 (Citrix XenServer Security Update (CTX140984)).

Applying the patch Hotfix is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 68659), X-Force (94631), Secunia (SA60027), SecurityTracker (ID 1030604) and Vulnerability Center (SBV-45492). Similar entries are available at 67171 and 29832.

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VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 76771
Nessus Name: Citrix XenServer Multiple Vulnerabilities (CTX140984)
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Nessus Family: 🔍

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Qualys Name: 🔍

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Countermeasuresinfoedit

Recommended: Patch
Status: 🔍

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

Patch: Hotfix

Timelineinfoedit

07/14/2014 🔍
07/15/2014 +1 days 🔍
07/15/2014 +0 days 🔍
07/15/2014 +0 days 🔍
07/15/2014 +0 days 🔍
07/17/2014 +2 days 🔍
07/17/2014 +0 days 🔍
07/17/2014 +0 days 🔍
07/17/2014 +0 days 🔍
07/22/2014 +5 days 🔍
06/22/2016 +701 days 🔍
06/02/2017 +345 days 🔍

Sourcesinfoedit

Vendor: https://www.citrix.com/

Advisory: CTX140984
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4947 (🔍)
IAVM: 🔍

SecurityFocus: 68659 - Citrix XenServer HVM Graphics CVE-2014-4947 Buffer Overflow Vulnerability
Secunia: 60027 - Citrix XenServer Security Issue and Two Vulnerabilities, Moderately Critical
X-Force: 94631 - Citrix XenServer HVM graphics console buffer overflow, High Risk
SecurityTracker: 1030604 - Citrix XenServer Flaws Let Local Users Deny Service and Obtain Potentially Sensitive Information
Vulnerability Center: 45492 - Citrix XenServer Remote Code Execution and DoS in HVM Graphics Console Support, High

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Entryinfoedit

Created: 07/17/2014 11:06 AM
Updated: 06/02/2017 07:54 AM
Changes: (3) advisory_confirm_url source_secunia source_secunia_date
Complete: 🔍

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