Vulnerability CVE-2014-5263

Vulnerability Name:

CVE-2014-5263 (CCN-95082)

Assigned:

2014-08-04

Published:

2014-08-04

Updated:

2014-11-19

Summary:

vmstate_xhci_event in hw/usb/hcd-xhci.c in QEMU 1.6.0 does not terminate the list with the VMSTATE_END_OF_LIST macro, which allows attackers to cause a denial of service (out-of-bounds access, infinite loop, and memory corruption) and possibly gain privileges via unspecified vectors.

CVSS v3 Severity:

5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): Low

CVSS v2 Severity:

6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
5.0 Medium (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

CWE-119

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2014-5263

Source: CCN
Type: QEMU GIT Repository
vmstate_xhci_event: fix unterminated field list

Source: CONFIRM
Type: Patch
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=3afca1d6d413592c2b78cf28f52fa24a586d8f56

Source: MLIST
Type: Patch
[oss-security] 20140804 CVE Request -- qemu: missing field list terminator in vmstate_xhci_event

Source: MLIST
Type: UNKNOWN
[oss-security] 20140815 Re: CVE Request -- qemu: missing field list terminator in vmstate_xhci_event

Source: CCN
Type: BID-69247
QEMU 'vmstate_xhci_event' Field Memory Corruption Vulnerability

Source: UBUNTU
Type: UNKNOWN
USN-2409-1

Source: CCN
Type: Red Hat Bugzilla Bug 1126543
qemu: missing field list terminator in vmstate_xhci_event

Source: MISC
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=1126543

Source: XF
Type: UNKNOWN
qemu-vmstatexhcievent-priv-esc(95082)

Vulnerable Configuration:

Configuration 1:

cpe:/a:qemu:qemu:1.6.0:-:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:fabrice_bellard:qemu:0.8.2:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.mitre.oval:def:28286	P	USN-2409-1 -- QEMU vulnerabilities	2015-03-09
oval:com.ubuntu.precise:def:20145263000	V	CVE-2014-5263 on Ubuntu 12.04 LTS (precise) - low.	2014-08-26
oval:com.ubuntu.trusty:def:20145263000	V	CVE-2014-5263 on Ubuntu 14.04 LTS (trusty) - low.	2014-08-26

BACK