Citrix XenServer 6.2.0 HVM Graphics Console Support memory corruption

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

Summaryinfo

A vulnerability described as problematic has been identified in Citrix XenServer 6.2.0. This issue affects some unknown processing of the component HVM Graphics Console Support. The manipulation results in memory corruption. This vulnerability is known as CVE-2014-4947. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

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. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the HVM graphics console support in Citrix XenServer 6.2 Service Pack 1 and earlier has unspecified impact and attack vectors.

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 X-Force (94631), Tenable (76771), SecurityFocus (BID 68659†), Secunia (SA60027†) and SecurityTracker (ID 1030604†). Similar entries are available at VDB-67171 and VDB-29832. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: Hotfix

Timelineinfo

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 🔍
02/09/2022 +2759 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: CTX140984
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4947 (🔍)
GCVE (CVE): GCVE-0-2014-4947
GCVE (VulDB): GCVE-100-67170

IAVM: 🔍

X-Force: 94631 - Citrix XenServer HVM graphics console buffer overflow, High Risk
SecurityFocus: 68659 - Citrix XenServer HVM Graphics CVE-2014-4947 Buffer Overflow Vulnerability
Secunia: 60027 - Citrix XenServer Security Issue and Two Vulnerabilities, Moderately Critical
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

See also: 🔍

Entryinfo

Created: 07/17/2014 11:06
Updated: 02/09/2022 14:44
Changes: 07/17/2014 11:06 (84), 06/02/2017 07:54 (3), 02/09/2022 14:44 (3)
Complete: 🔍
Cache ID: 216:3BB:103

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