NVD - CVE-2017-2633

CVE-2017-2633 Detail

Current Description

An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside a guest could use this flaw to crash the QEMU process.

Source: MITRE
Description Last Modified: 07/27/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8

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

CVSS v2.0 Severity and Metrics:

Base Score: 4.0 MEDIUM
Vector: (AV:N/AC:L/Au:S/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.0

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

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.openwall.com/lists/oss-security/2017/02/23/1	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/96417	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:1205	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1206	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1441	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1856	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633	Issue Tracking Patch Third Party Advisory
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=9f64916da20eea67121d544698676295bbb105a7	Patch Vendor Advisory
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=bea60dd7679364493a0d7f5b54316c767cf894ef	Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

Out-of-bounds Read (CWE-125)
Out-of-bounds Write (CWE-787)

Vulnerable software and versions Switch to CPE 2.2

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

Change History

2 change records found - show changes

Initial Analysis - 9/24/2018 12:37:44 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:a:qemu:qemu::::::::* versions up to (excluding) 1.7.2
Added	CPE Configuration		Record truncated, showing 500 of 611 characters. View Entire Change Record OR cpe:2.3:o:redhat:enterprise_linux_desktop:6.0::::::: cpe:2.3:o:redhat:enterprise_linux_desktop:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_server:6.0::::::: cpe:2.3:o:redhat:enterprise_linux_server:7.0::::::: cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4::::::: cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4::::::: cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5::::::: *cpe:2.3:o:redhat:enter
Added	CVSS V2		(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Added	CVSS V3		AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added	CWE		CWE-125
Added	CWE		CWE-787
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2017/02/23/1 No Types Assigned	http://www.openwall.com/lists/oss-security/2017/02/23/1 Mailing List, Patch, Third Party Advisory
Changed	Reference Type	http://www.securityfocus.com/bid/96417 No Types Assigned	http://www.securityfocus.com/bid/96417 Third Party Advisory, VDB Entry
Changed	Reference Type	https://access.redhat.com/errata/RHSA-2017:1205 No Types Assigned	https://access.redhat.com/errata/RHSA-2017:1205 Third Party Advisory
Changed	Reference Type	https://access.redhat.com/errata/RHSA-2017:1206 No Types Assigned	https://access.redhat.com/errata/RHSA-2017:1206 Third Party Advisory
Changed	Reference Type	https://access.redhat.com/errata/RHSA-2017:1441 No Types Assigned	https://access.redhat.com/errata/RHSA-2017:1441 Third Party Advisory
Changed	Reference Type	https://access.redhat.com/errata/RHSA-2017:1856 No Types Assigned	https://access.redhat.com/errata/RHSA-2017:1856 Third Party Advisory
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2633 Issue Tracking, Patch, Third Party Advisory
Changed	Reference Type	https://git.qemu.org/?p=qemu.git;a=commitdiff;h=9f64916da20eea67121d544698676295bbb105a7 No Types Assigned	https://git.qemu.org/?p=qemu.git;a=commitdiff;h=9f64916da20eea67121d544698676295bbb105a7 Patch, Vendor Advisory
Changed	Reference Type	https://git.qemu.org/?p=qemu.git;a=commitdiff;h=bea60dd7679364493a0d7f5b54316c767cf894ef No Types Assigned	https://git.qemu.org/?p=qemu.git;a=commitdiff;h=bea60dd7679364493a0d7f5b54316c767cf894ef Patch, Vendor Advisory

CVE Modified by MITRE - 7/28/2018 9:29:02 PM

Action	Type	New Value
Added	Reference	http://www.securityfocus.com/bid/96417 [No Types Assigned]
Added	Reference	https://access.redhat.com/errata/RHSA-2017:1205 [No Types Assigned]
Added	Reference	https://access.redhat.com/errata/RHSA-2017:1206 [No Types Assigned]
Added	Reference	https://access.redhat.com/errata/RHSA-2017:1441 [No Types Assigned]
Added	Reference	https://access.redhat.com/errata/RHSA-2017:1856 [No Types Assigned]

Quick Info

CVE Dictionary Entry:
CVE-2017-2633
NVD Published Date:
07/27/2018
NVD Last Modified:
09/24/2018

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National Vulnerability Database