Vulnerability Name:

CVE-2014-3471 (CCN-93931)

Assigned:2014-06-23
Published:2014-06-23
Updated:2018-01-31
Summary:Use-after-free vulnerability in hw/pci/pcie.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (QEMU instance crash) via hotplug and hotunplug operations of Virtio block devices.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/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): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-416
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2014-3471

Source: GENTOO
Type: Third Party Advisory
GLSA-201412-01

Source: MLIST
Type: Mailing List, Patch, Third Party Advisory
[oss-security] 20140623 CVE-2014-3471 Qemu: hw: pci: use after free triggered via guest

Source: CCN
Type: OSVDB ID: 108349
Qemu hw/pci/pcie.c Use-after-free Local DoS

Source: BID
Type: Third Party Advisory, VDB Entry
68145

Source: CCN
Type: BID-68145
QEMU CVE-2014-3471 Denial of Service Vulnerability

Source: CCN
Type: Red Hat Bugzilla Bug 1112271
CVE-2014-3471 Qemu: hw: pci: use after free triggered via guest

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1112271

Source: XF
Type: UNKNOWN
qemu-cve20143471-dos(93931)

Source: CCN
Type: qemu-devel Web site
hw/pcie: better hotplug/hotunplug support

Source: MLIST
Type: Patch, Third Party Advisory
[qemu-devel] 20140623 PATCH v2 3/3] hw/pcie: better hotplug/hotunplug support

Vulnerable Configuration:Configuration 1:
  • cpe:/a:qemu:qemu:*:*:*:*:*:*:*:* (Version <= 2.1.2)

    • Configuration 2:
  • cpe:/a:qemu:qemu:2.1.2:r1:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:fabrice_bellard:qemu:0.8.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.trusty:def:20143471000
    V
    		CVE-2014-3471 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-01-12
    oval:org.mitre.oval:def:26768
    P
    		USN-2342-1 -- qemu, qemu-kvm vulnerabilities
    2014-11-10
    oval:com.ubuntu.precise:def:20143471000
    V
    		CVE-2014-3471 on Ubuntu 12.04 LTS (precise) - medium.
    2014-06-26
    BACK
    qemu qemu *
    qemu qemu 2.1.2 r1
    fabrice_bellard qemu 0.8.2