Vulnerability Name:

CVE-2017-14991 (CCN-132967)

Assigned:2017-09-15
Published:2017-09-15
Updated:2018-08-24
Summary:The sg_ioctl function in drivers/scsi/sg.c in the Linux kernel before 4.13.4 allows local users to obtain sensitive information from uninitialized kernel heap-memory locations via an SG_GET_REQUEST_TABLE ioctl call for /dev/sg0.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/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): None
Availibility (A): None
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/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): None
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2017-14991

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3e0097499839e0fe3af380410eababe5a47c4cf9

Source: CONFIRM
Type: Release Notes, Vendor Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.4

Source: BID
Type: Third Party Advisory, VDB Entry
101187

Source: CCN
Type: BID-101187
Linux Kernel CVE-2017-14991 Local Information Disclosure Vulnerability

Source: XF
Type: UNKNOWN
linux-kernel-cve201714991-info-disc(132967)

Source: CCN
Type: Linux Kernel GIT Repository
scsi: sg: fixup infoleak when using SG_GET_REQUEST_TABLE

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/3e0097499839e0fe3af380410eababe5a47c4cf9

Source: UBUNTU
Type: UNKNOWN
USN-3754-1

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 4.13.3)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.13.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2017149910000000
    V
    		CVE-2017-14991 on Ubuntu 16.04 LTS (xenial) - low.
    2017-10-04
    oval:com.ubuntu.bionic:def:2017149910000000
    V
    		CVE-2017-14991 on Ubuntu 18.04 LTS (bionic) - low.
    2017-10-04
    oval:com.ubuntu.artful:def:201714991000
    V
    		CVE-2017-14991 on Ubuntu 17.10 (artful) - low.
    2017-10-03
    oval:com.ubuntu.xenial:def:201714991000
    V
    		CVE-2017-14991 on Ubuntu 16.04 LTS (xenial) - low.
    2017-10-03
    oval:com.ubuntu.bionic:def:201714991000
    V
    		CVE-2017-14991 on Ubuntu 18.04 LTS (bionic) - low.
    2017-10-03
    oval:com.ubuntu.cosmic:def:2017149910000000
    V
    		CVE-2017-14991 on Ubuntu 18.10 (cosmic) - low.
    2017-10-03
    oval:com.ubuntu.cosmic:def:201714991000
    V
    		CVE-2017-14991 on Ubuntu 18.10 (cosmic) - low.
    2017-10-03
    oval:com.ubuntu.trusty:def:201714991000
    V
    		CVE-2017-14991 on Ubuntu 14.04 LTS (trusty) - low.
    2017-10-03
    BACK
    linux linux kernel *
    linux linux kernel 4.13.3