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      Last Modified:  05/04/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-8086
Original release date:
05/02/2017
Last revised:
06/30/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
6.5 Medium
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H (legend)
Impact Score:
4.0
Exploitability Score:
2.0
CVSS Version 3 Metrics:
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 Severity (version 2.0):
CVSS v2 Base Score:
4.9 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
6.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://git.qemu.org/?p=qemu.git;a=commit;h=4ffcdef4277a91af15a3c09f7d16af072c29f3f2 Patch; Vendor Advisory External Source CONFIRM http://git.qemu.org/?p=qemu.git;a=commit;h=4ffcdef4277a91af15a3c09f7d16af072c29f3f2
http://www.openwall.com/lists/oss-security/2017/04/25/5 Mailing List; Patch; Third Party Advisory External Source MLIST [oss-security] 20170425 CVE-2017-8086 Qemu: 9pfs: host memory leakage via v9pfs_list_xattr
http://www.securityfocus.com/bid/98012 Third Party Advisory; VDB Entry External Source BID 98012
https://bugzilla.redhat.com/show_bug.cgi?id=1444781 Issue Tracking; Patch; Third Party Advisory; VDB Entry External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1444781
https://lists.gnu.org/archive/html/qemu-devel/2017-04/msg01636.html Third Party Advisory External Source MLIST [qemu-devel] 20170410 [PULL] 9pfs: xattr: fix memory leak in v9fs_list_xattr
https://security.gentoo.org/glsa/201706-03 External Source GENTOO 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