Vulnerability Name:

CVE-2017-8072 (CCN-125371)

Assigned:2017-04-16
Published:2017-04-16
Updated:2017-04-27
Summary:The cp2112_gpio_direction_input function in drivers/hid/hid-cp2112.c in the Linux kernel 4.9.x before 4.9.9 does not have the expected EIO error status for a zero-length report, which allows local users to have an unspecified impact via unknown vectors.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
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): High
Integrity (I): High
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:L/A:N)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:7.2 High (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
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-388
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-8072

Source: CONFIRM
Type: Release Notes, Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.9

Source: CCN
Type: oss-sec Mailing List, Sun, 16 Apr 2017 16:25:38 -0400
Silently (or obliviously) partially-fixed CONFIG_STRICT_DEVMEM bypass

Source: MLIST
Type: Mailing List, Patch, Third Party Advisory
[oss-security] 20170416 Silently (or obliviously) partially-fixed CONFIG_STRICT_DEVMEM bypass

Source: BID
Type: Third Party Advisory, VDB Entry
98010

Source: CCN
Type: BID-98010
Linux Kernel 'drivers/hid/hid-cp2112.c' Local Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
linux-kernel-cve20178072-unspecified(125371)

Source: CCN
Type: Linux Kernel GIT Repository
HID: cp2112: fix gpio-callback error handling

Source: CONFIRM
Type: Patch
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8e9faa15469ed7c7467423db4c62aeed3ff4cae3

Source: CONFIRM
Type: Patch
https://github.com/torvalds/linux/commit/8e9faa15469ed7c7467423db4c62aeed3ff4cae3

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:4.9:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.9.1:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.9.2:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.9.3:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.9.4:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.9.5:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.9.6:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.9.8:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.9.8:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20178072000
    V
    		CVE-2017-8072 on Ubuntu 12.04 LTS (precise) - medium.
    2017-04-23
    oval:com.ubuntu.trusty:def:20178072000
    V
    		CVE-2017-8072 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-04-23
    oval:com.ubuntu.xenial:def:20178072000
    V
    		CVE-2017-8072 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-04-23
    oval:com.ubuntu.xenial:def:201780720000000
    V
    		CVE-2017-8072 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-04-23
    BACK
    linux linux kernel 4.9
    linux linux kernel 4.9.1
    linux linux kernel 4.9.2
    linux linux kernel 4.9.3
    linux linux kernel 4.9.4
    linux linux kernel 4.9.5
    linux linux kernel 4.9.6
    linux linux kernel 4.9.8
    linux linux kernel 4.9.8