Linux Foundation Xen 4.4 GNTTABOP_setup_table information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Linux Foundation Xen 4.4. This impacts the function GNTTABOP_setup_table. Executing a manipulation can lead to information disclosure. This vulnerability is registered as CVE-2014-4022. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Linux Foundation Xen 4.4 (Virtualization Software). It has been declared as problematic. This vulnerability affects the function GNTTABOP_setup_table. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, and integrity.

The weakness was published 06/25/2014 by Julien Grall as XSA-101 as confirmed advisory (Website). The advisory is shared for download at xenbits.xenproject.org. The public release has been coordinated with the vendor. This vulnerability was named CVE-2014-4022 since 06/11/2014. The attack needs to be approached locally. The successful exploitation requires a single authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592. The advisory points out:

Malicious guest administrators can obtain some of the memory contents of other domains.

Applying the patch xsa101.patch is able to eliminate this problem. The bugfix is ready for download at xenbits.xenproject.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (93962), SecurityFocus (BID 68184†), Secunia (SA59523†) and SecurityTracker (ID 1030471†). Similar entry is available at VDB-70310. 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: 4.4
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.4
VulDB Temp Score: 3.9
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: xsa101.patch

Timelineinfo

06/11/2014 🔍
06/25/2014 +14 days 🔍
06/25/2014 +0 days 🔍
06/25/2014 +0 days 🔍
06/25/2014 +0 days 🔍
06/26/2014 +1 days 🔍
07/09/2014 +13 days 🔍
03/17/2015 +251 days 🔍
08/09/2021 +2337 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: XSA-101
Researcher: Julien Grall
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2014-4022 (🔍)
GCVE (CVE): GCVE-0-2014-4022
GCVE (VulDB): GCVE-100-47320
X-Force: 93962 - Xen gnttab_setup_table information disclosure, Low Risk
SecurityFocus: 68184 - Xen 'gnttab_setup_table' Information Disclosure Vulnerability
Secunia: 59523 - Xen ARM Grant Table Pages Memory Disclosure Weakness, Not Critical
SecurityTracker: 1030471

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 08/09/2021 08:46
Changes: 03/17/2015 23:38 (62), 11/03/2018 18:04 (12), 08/09/2021 08:46 (3)
Complete: 🔍
Cache ID: 216:6BE:103

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

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