8.8
HIGH
CVE-2016-6258
Xen PV Local Privilege Escalation Vulnerability
Description

The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.

INFO

Published Date :

Aug. 2, 2016, 4:59 p.m.

Last Modified :

July 1, 2017, 1:29 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

6.0

Exploitability Score :

2.0
Affected Products

The following products are affected by CVE-2016-6258 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Xen xen
1 Citrix xenserver
: Total Affected Vendor : 2 | Products : 2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-6258.

URL Resource
http://support.citrix.com/article/CTX214954 Vendor Advisory
http://www.debian.org/security/2016/dsa-3633
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Release Notes
http://www.securityfocus.com/bid/92131 Third Party Advisory
http://www.securitytracker.com/id/1036446 Third Party Advisory
http://xenbits.xen.org/xsa/advisory-182.html Mitigation Patch Vendor Advisory
http://xenbits.xen.org/xsa/xsa182-4.5.patch Patch
http://xenbits.xen.org/xsa/xsa182-4.6.patch Patch
http://xenbits.xen.org/xsa/xsa182-unstable.patch Patch
https://security.gentoo.org/glsa/201611-09

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-6258 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-6258 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201611-09 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 19, 2017

    Action Type Old Value New Value
    Removed Reference http://betanews.com/2016/07/28/major-security-vulnerability-xen-hypervisor/ [Press/Media Coverage]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.debian.org/security/2016/dsa-3633 [No Types Assigned]
  • Modified Analysis by [email protected]

    Sep. 09, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:citrix:xenserver:6.5.0:sp1:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.2.0:sp1:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.1:*:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:xen:xen:4.7.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:o:xen:xen:4.7.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:citrix:xenserver:6.5.0:sp1:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.2.0:sp1:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.1:*:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*
    Changed CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
    Changed Reference Type http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html No Types Assigned http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Release Notes
    Added Reference http://betanews.com/2016/07/28/major-security-vulnerability-xen-hypervisor/
  • CVE Modified by [email protected]

    Sep. 09, 2016

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
  • Modified Analysis by [email protected]

    Aug. 04, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:citrix:xenserver:6.5.0:sp1:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.2.0:sp1:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:6.1:*:*:*:*:*:*:* *cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:xen:xen:4.7.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.6.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:* *cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.securitytracker.com/id/1036446 No Types Assigned http://www.securitytracker.com/id/1036446 Third Party Advisory
    Changed Reference Type http://xenbits.xen.org/xsa/xsa182-4.6.patch No Types Assigned http://xenbits.xen.org/xsa/xsa182-4.6.patch Patch
    Changed Reference Type http://xenbits.xen.org/xsa/xsa182-unstable.patch No Types Assigned http://xenbits.xen.org/xsa/xsa182-unstable.patch Patch
    Changed Reference Type http://xenbits.xen.org/xsa/advisory-182.html No Types Assigned http://xenbits.xen.org/xsa/advisory-182.html Mitigation, Vendor Advisory, Patch
    Changed Reference Type http://www.securityfocus.com/bid/92131 No Types Assigned http://www.securityfocus.com/bid/92131 Third Party Advisory
    Changed Reference Type http://support.citrix.com/article/CTX214954 No Types Assigned http://support.citrix.com/article/CTX214954 Vendor Advisory
    Changed Reference Type http://xenbits.xen.org/xsa/xsa182-4.5.patch No Types Assigned http://xenbits.xen.org/xsa/xsa182-4.5.patch Patch
    Added CWE CWE-284
  • Initial Analysis by [email protected]

    Aug. 03, 2016

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-6258 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-6258 weaknesses.

CAPEC-19: Embedding Scripts within Scripts Embedding Scripts within Scripts CAPEC-441: Malicious Logic Insertion Malicious Logic Insertion CAPEC-478: Modification of Windows Service Configuration Modification of Windows Service Configuration CAPEC-479: Malicious Root Certificate Malicious Root Certificate CAPEC-502: Intent Spoof Intent Spoof CAPEC-503: WebView Exposure WebView Exposure CAPEC-536: Data Injected During Configuration Data Injected During Configuration CAPEC-546: Incomplete Data Deletion in a Multi-Tenant Environment Incomplete Data Deletion in a Multi-Tenant Environment CAPEC-550: Install New Service Install New Service CAPEC-551: Modify Existing Service Modify Existing Service CAPEC-552: Install Rootkit Install Rootkit CAPEC-556: Replace File Extension Handlers Replace File Extension Handlers CAPEC-558: Replace Trusted Executable Replace Trusted Executable CAPEC-562: Modify Shared File Modify Shared File CAPEC-563: Add Malicious File to Shared Webroot Add Malicious File to Shared Webroot CAPEC-564: Run Software at Logon Run Software at Logon CAPEC-578: Disable Security Software Disable Security Software
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.00%

score

0.24592

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: