Executive Summary

Summary
Title Xen: Multiple vulnerabilities
Informations
Name GLSA-201705-11 First vendor Publication 2017-05-26
Vendor Gentoo Last vendor Modification 2017-05-26
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

Multiple vulnerabilities have been found in Xen, the worst of which could allow for privilege escalation.

Background

Xen is a bare-metal hypervisor.

Description

Multiple vulnerabilities have been discovered in Xen. Please review the CVE identifiers and Xen Security Advisory referenced below for details.

Impact

A local attacker could potentially execute arbitrary code with privileges of Xen (QEMU) process on the host, gain privileges on the host system, or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Xen users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=app-emulation/xen-4.7.2-r1:0"

All Xen Tools users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot -v ">=app-emulation/xen-tools-4.7.2:0"

All Xen pvgrub users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot -v ">=app-emulation/xen-pvgrub-4.7.2:0"

References

[ 1 ] CVE-2017-8903 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-8903
[ 2 ] CVE-2017-8904 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-8904
[ 3 ] CVE-2017-8905 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-8905

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/201705-11

Original Source

Url : http://security.gentoo.org/glsa/glsa-201705-11.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-682 Incorrect Calculation

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 8

Nessus® Vulnerability Scanner

Date Description
2017-10-13 Name : The remote OracleVM host is missing one or more security updates.
File : oraclevm_OVMSA-2017-0153.nasl - Type : ACT_GATHER_INFO
2017-08-30 Name : The remote OracleVM host is missing one or more security updates.
File : oraclevm_OVMSA-2017-0142.nasl - Type : ACT_GATHER_INFO
2017-07-17 Name : The remote Fedora host is missing a security update.
File : fedora_2017-77ca39d254.nasl - Type : ACT_GATHER_INFO
2017-07-10 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-1812-1.nasl - Type : ACT_GATHER_INFO
2017-07-07 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-1795-1.nasl - Type : ACT_GATHER_INFO
2017-07-05 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-1770-1.nasl - Type : ACT_GATHER_INFO
2017-07-03 Name : The remote OracleVM host is missing one or more security updates.
File : oraclevm_OVMSA-2017-0116.nasl - Type : ACT_GATHER_INFO
2017-06-30 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-1715-1.nasl - Type : ACT_GATHER_INFO
2017-06-02 Name : The remote Debian host is missing a security update.
File : debian_DLA-964.nasl - Type : ACT_GATHER_INFO
2017-05-26 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201705-11.nasl - Type : ACT_GATHER_INFO
2017-05-16 Name : The remote Fedora host is missing a security update.
File : fedora_2017-5ae70ac6a5.nasl - Type : ACT_GATHER_INFO
2017-05-16 Name : The remote Fedora host is missing a security update.
File : fedora_2017-c9d71f0860.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2017-05-27 13:25:58
  • Multiple Updates
2017-05-26 09:22:36
  • First insertion