PT-2017-2114 · Xen · Xen

Jann Horn · Published 2017-05-09 · Updated 2019-10-03 · CVE-2017-8903

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.9

Description The issue is related to insufficient access control in the Xen hypervisor. It may allow a local attacker to execute arbitrary code on the host OS by exploiting a flaw in the handling of page tables after an IRET hypercall.

Recommendations For Xen versions prior to 4.9, update to version 4.9 or later to resolve the issue.

Fix

Weakness Enumeration

CWE-264

Related Identifiers

BDU:2017-01291

CVE-2017-8903

DLA-964-1

DSA-3847-1

Affected Products

Xen

References · 16

• https://cve.org/CVERecord?id=CVE-2017-8903 · Security Note
• https://osv.dev/vulnerability/DSA-3847-1 · Vendor Advisory
• https://xenbits.xen.org/xsa/advisory-213.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-8903 · Vendor Advisory
• https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215 · Vendor Advisory
• https://osv.dev/vulnerability/ALPINE-CVE-2017-8903 · Vendor Advisory
• https://bdu.fstec.ru/vul/2017-01291 · Security Note
• https://ubuntu.com/security/CVE-2017-8903 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-8903 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-8903 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-8903 · Vendor Advisory
• https://security.gentoo.org/glsa/201705-11 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-8903 · Vendor Advisory
• https://security.alpinelinux.org/vuln/CVE-2017-8903 · Note
• http://securityfocus.com/bid/98426 · Note