XenSource Xen 4.4/4.5 Domain Destruction memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in XenSource Xen 4.4/4.5. This impacts an unknown function of the component Domain Destruction. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2015-7814. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in XenSource Xen 4.4/4.5 (Virtualization Software). It has been rated as problematic. Affected by this issue is an unknown part of the component Domain Destruction. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability.

The weakness was released 10/29/2015 with Citrix as XSA-147 as confirmed security advisory (Website). The advisory is shared for download at xenbits.xen.org. This vulnerability is handled as CVE-2015-7814 since 10/14/2015. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 87288 , which helps to determine the existence of the flaw in a target environment. 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 X-Force (107666), Tenable (87288), SecurityFocus (BID 77358†) and Vulnerability Center (SBV-54039†). Entries connected to this vulnerability are available at VDB-75144, VDB-77520, VDB-78954 and VDB-78955. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.5

VulDB Base Score: 4.0
VulDB Temp Score: 3.5
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: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87288
Nessus File: 🔍
Nessus Risk: 🔍

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: 🔍
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Timelineinfo

10/14/2015 🔍
10/29/2015 +15 days 🔍
10/29/2015 +0 days 🔍
10/29/2015 +0 days 🔍
10/29/2015 +0 days 🔍
10/30/2015 +1 days 🔍
10/30/2015 +0 days 🔍
10/30/2015 +0 days 🔍
06/25/2022 +2430 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: XSA-147
Organization: Citrix
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7814 (🔍)
GCVE (CVE): GCVE-0-2015-7814
GCVE (VulDB): GCVE-100-78956

OVAL: 🔍

X-Force: 107666 - Xen domain denial of service
SecurityFocus: 77358 - Xen CVE-2015-7814 Denial of Service Vulnerability
SecurityTracker: 1034030
Vulnerability Center: 54039 - Xen 4.4, 4.4.1, 4.5.0 and 4.6.0 on ARM Remote DoS via the XENMEM_decrease_reservation, Medium

See also: 🔍

Entryinfo

Created: 10/30/2015 09:38
Updated: 06/25/2022 14:16
Changes: 10/30/2015 09:38 (70), 03/02/2018 09:33 (5), 06/25/2022 14:11 (4), 06/25/2022 14:16 (1)
Complete: 🔍
Cache ID: 216:0FF:103

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