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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.0 MEDIUM
Vector: AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H (V3 legend)
Impact Score: 4.0
Exploitability Score: 1.5


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 v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


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

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://git.qemu-project.org/?p=qemu.git;a=commit;h=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/04/03/2 Patch Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/97319 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1437871 Issue Tracking Patch Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.html Patch
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

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7377
NVD Published Date:
04/10/2017
NVD Last Modified:
06/30/2017