National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-8086 Detail

Current Description

Memory leak in the v9fs_list_xattr function in hw/9pfs/9p-xattr.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (memory consumption) via vectors involving the orig_value variable.

Source:  MITRE
Description Last Modified:  05/04/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H (V3 legend)
Impact Score: 4.0
Exploitability Score: 2.0


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.qemu.org/?p=qemu.git;a=commit;h=4ffcdef4277a91af15a3c09f7d16af072c29f3f2 Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/04/25/5 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/98012 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1444781 Issue Tracking Patch Third Party Advisory VDB Entry
https://lists.gnu.org/archive/html/qemu-devel/2017-04/msg01636.html Third Party Advisory
https://security.gentoo.org/glsa/201706-03

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-8086
NVD Published Date:
05/02/2017
NVD Last Modified:
06/30/2017