National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-7377 Detail

Current Description

The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.

Source:  MITRE      Last Modified:  04/10/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-7377
Original release date:
04/10/2017
Last revised:
06/30/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
6.0 Medium
Vector:
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H (legend)
Impact Score:
4.0
Exploitability Score:
1.5
CVSS Version 3 Metrics:
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
High
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:
2.1 LOW
Vector:
(AV:L/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
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-project.org/?p=qemu.git;a=commit;h=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e Vendor Advisory External Source CONFIRM http://git.qemu-project.org/?p=qemu.git;a=commit;h=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e
http://www.openwall.com/lists/oss-security/2017/04/03/2 Patch; Third Party Advisory; VDB Entry External Source MLIST [oss-security] 20170403 CVE-2017-7377 Qemu: 9pfs: host memory leakage via v9fs_create
http://www.securityfocus.com/bid/97319 Third Party Advisory; VDB Entry External Source BID 97319
https://bugzilla.redhat.com/show_bug.cgi?id=1437871 Issue Tracking; Patch; Third Party Advisory External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1437871
https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html Patch External Source MLIST [qemu-devel] 20170328 [PULL 1/2] 9pfs: fix file descriptor leak
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 4 change records found - show changes