Vulnerability Name:

CVE-2015-8556 (CCN-109143)

Assigned:2015-12-14
Published:2015-12-14
Updated:2017-03-27
Summary:Local privilege escalation vulnerability in the Gentoo QEMU package before 2.5.0-r1.
CVSS v3 Severity:10.0 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
9.0 Critical (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.6 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C)
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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-362
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2015-8556

Source: CCN
Type: QEMU Web site
QEMU

Source: MISC
Type: Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/134948/Gentoo-QEMU-Local-Privilege-Escalation.html

Source: CCN
Type: oss-sec Mailing List, Mon, 14 Dec 2015 12:14:39 +0100
CVE Request: Local Privilege Escalation in QEMU virtfs-proxy-helper

Source: CCN
Type: oss-sec Mailing List, Mon, 14 Dec 2015 16:39:16 -0500 (EST)
Re: CVE Request: Local Privilege Escalation in QEMU virtfs-proxy-helper

Source: CCN
Type: Red Hat Bugzilla – Bug 1292211
(CVE-2015-8556) CVE-2015-8556 Qemu: virtfs: local privilege escalation via virtfs-proxy-helper

Source: XF
Type: UNKNOWN
qemu-cve20158556-priv-esc(109143)

Source: CCN
Type: Packet Storm Security [12-17-2015]
Gentoo QEMU Local Privilege Escalation

Source: GENTOO
Type: Exploit, Third Party Advisory, VDB Entry
GLSA-201602-01

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [12-17-2015]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
39010

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2015-8556

Vulnerable Configuration:Configuration 1:
  • cpe:/a:qemu:qemu:*:*:*:*:*:*:*:* (Version <= 2.4.1)

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

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20158556000
    V
    		CVE-2015-8556 on Ubuntu 12.04 LTS (precise) - medium.
    2017-03-24
    oval:com.ubuntu.trusty:def:20158556000
    V
    		CVE-2015-8556 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-03-24
    BACK
    qemu qemu *
    fabrice_bellard qemu 0.8.2