CVE-2015-5166
Xen QEMU Use-after-free precedent escalation vulnerability
Description
Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.
INFO
Published Date :
Aug. 12, 2015, 2:59 p.m.
Last Modified :
Oct. 30, 2018, 4:26 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
10.0
Exploitability Score :
3.9
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-2015-5166.
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-2015-5166 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-5166 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 -
CPE Deprecation Remap by [email protected]
Oct. 30, 2018
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:xen:xen:4.5.1:*:*:*:*:*:*:* OR *cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Oct. 30, 2018
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:xen:xen:*:*:*:*:*:*:*:* versions from (including) 4.5.0 OR *cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* versions from (including) 4.5.0 -
CVE Modified by [email protected]
Dec. 22, 2016
Action Type Old Value New Value Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/76152 [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 31, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:xen:xen:4.5.0:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:xen:xen:4.5.1:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:a:xen:xen:4.5.0:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:xen:xen:4.5.1:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 03, 2015
Action Type Old Value New Value Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html -
CVE Translated by [email protected]
Aug. 26, 2015
Action Type Old Value New Value Removed Translation Vulnerabilidad de uso después de liberación en la memoria en QEMU en Xen 4.5.x y versiones anteriores no desconecta del todo dispositivos de bloque emulados, lo que permite a usuarios HVM invitados obtener privilegios desconectando un dispositivo de bloque dos veces. Added Translation Vulnerabilidad de uso después de liberación en la memoria en QEMU en Xen 4.5.x y versiones anteriores, no desconecta completamente los dispositivos de bloque emulados, lo que permite a usuarios invitados HVM locales obtener privilegios desconectando un dispositivo de bloque dos veces. -
CVE Modified by [email protected]
Aug. 18, 2015
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1033175 -
Modified Analysis by [email protected]
Aug. 12, 2015
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:xen:xen:4.5.0:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:xen:xen:4.5.1:*:*:*:*:*:*:* Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C) Changed Reference Type http://xenbits.xen.org/xsa/advisory-139.html No Types Assigned http://xenbits.xen.org/xsa/advisory-139.html Advisory, Patch Added CWE CWE-264 -
Initial Analysis by [email protected]
Aug. 12, 2015
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-5166 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-2015-5166
weaknesses.
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