XenSource Xen up to 4.5.x Request information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in XenSource Xen up to 4.5.x. It has been declared as problematic. This vulnerability affects unknown code of the component Request Handler. The manipulation of the argument XEN_DOMCTL_gettscinfo/XEN_SYSCTL_getdomaininfolist results in information disclosure. This vulnerability is cataloged as CVE-2015-3340. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in XenSource Xen up to 4.5.x (Virtualization Software). Affected is some unknown processing of the component Request Handler. The manipulation of the argument XEN_DOMCTL_gettscinfo/XEN_SYSCTL_getdomaininfolist with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

Xen 4.2.x through 4.5.x does not initialize certain fields, which allows certain remote service domains to obtain sensitive information from memory via a (1) XEN_DOMCTL_gettscinfo or (2) XEN_SYSCTL_getdomaininfolist request.

The weakness was shared 04/28/2015 by Jan Beulich with SuSE as XSA-132 as confirmed security advisory (Website). The advisory is shared for download at xenbits.xen.org. This vulnerability is traded as CVE-2015-3340 since 04/20/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 83205 (Fedora 20 : xen-4.3.4-3.fc20 (2015-6583)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175577 (Debian Security Update for xen (DSA 3414-1)).

Applying a patch 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 Tenable (83205), SecurityFocus (BID 74248†) and Vulnerability Center (SBV-49914†). The entries VDB-77520, VDB-78954, VDB-78955 and VDB-78956 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 83205
Nessus Name: Fedora 20 : xen-4.3.4-3.fc20 (2015-6583)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 703414
OpenVAS Name: Debian Security Advisory DSA 3414-1 (xen - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

04/20/2015 🔍
04/20/2015 +0 days 🔍
04/21/2015 +1 days 🔍
04/28/2015 +7 days 🔍
04/28/2015 +0 days 🔍
04/28/2015 +0 days 🔍
04/29/2015 +1 days 🔍
04/29/2015 +0 days 🔍
05/04/2015 +5 days 🔍
05/09/2022 +2562 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: XSA-132
Researcher: Jan Beulich
Organization: SuSE
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-3340 (🔍)
GCVE (CVE): GCVE-0-2015-3340
GCVE (VulDB): GCVE-100-75144

OVAL: 🔍

SecurityFocus: 74248 - Xen CVE-2015-3340 Information Disclosure Vulnerability
SecurityTracker: 1032158
Vulnerability Center: 49914 - Xen 4.0.x - 4.5.x Remote Information Disclosure in XEN_DOMCTL_gettscinfo, Low

See also: 🔍

Entryinfo

Created: 04/29/2015 10:17
Updated: 05/09/2022 23:34
Changes: 04/29/2015 10:17 (69), 06/27/2017 04:02 (11), 05/09/2022 23:25 (3), 05/09/2022 23:34 (1)
Complete: 🔍
Cache ID: 216:EA0:103

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