Vulnerability CVE-2018-12929

Vulnerability Name:

CVE-2018-12929 (CCN-145575)

Assigned:

2018-04-12

Published:

2018-04-12

Updated:

2019-03-26

Summary:

ntfs_read_locked_inode in the ntfs.ko filesystem driver in the Linux kernel 4.15.0 allows attackers to trigger a use-after-free read and possibly cause a denial of service (kernel oops or panic) via a crafted ntfs filesystem.

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)
4.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)

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

6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)

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): High

CVSS v2 Severity:

4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)

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

4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)

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

Vulnerability Type:

CWE-416

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2018-12929

Source: BID
Type: Third Party Advisory, VDB Entry
104588

Source: CCN
Type: BID-104588
Linux Kernel Multiple Memory Corruption Vulnerabilities

Source: REDHAT
Type: Third Party Advisory
RHSA-2019:0641

Source: CCN
Type: Launchpad Bug #1763403
Multiple Memory Corruption Issues in ntfs.ko (Linux 4.15.0-15.16)

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1763403

Source: XF
Type: UNKNOWN
linux-kernel-cve201812929-dos(145575)

Source: MISC
Type: Mailing List, Third Party Advisory
https://marc.info/?l=linux-ntfs-dev&m=152413769810234&w=2

Source: CCN
Type: Linux Kernel Web site
The Linux Kernel Archives

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-12929

Vulnerable Configuration:

Configuration 1:

cpe:/o:linux:linux_kernel:4.15:-:*:*:*:*:*:*

Configuration 2:

cpe:/o:canonical:ubuntu_linux:16.04.4:*:*:*:lts:*:*:*

Configuration CCN 1:

cpe:/o:linux:linux_kernel:4.15.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:2018129290000000	V	CVE-2018-12929 on Ubuntu 16.04 LTS (xenial) - low.	2018-06-28
oval:com.ubuntu.artful:def:201812929000	V	CVE-2018-12929 on Ubuntu 17.10 (artful) - medium.	2018-06-28
oval:com.ubuntu.xenial:def:201812929000	V	CVE-2018-12929 on Ubuntu 16.04 LTS (xenial) - low.	2018-06-28
oval:com.ubuntu.disco:def:2018129290000000	V	CVE-2018-12929 on Ubuntu 19.04 (disco) - low.	2018-06-28
oval:com.ubuntu.bionic:def:201812929000	V	CVE-2018-12929 on Ubuntu 18.04 LTS (bionic) - low.	2018-06-28
oval:com.ubuntu.cosmic:def:2018129290000000	V	CVE-2018-12929 on Ubuntu 18.10 (cosmic) - low.	2018-06-28
oval:com.ubuntu.cosmic:def:201812929000	V	CVE-2018-12929 on Ubuntu 18.10 (cosmic) - low.	2018-06-28
oval:com.ubuntu.bionic:def:2018129290000000	V	CVE-2018-12929 on Ubuntu 18.04 LTS (bionic) - low.	2018-06-28
oval:com.ubuntu.trusty:def:201812929000	V	CVE-2018-12929 on Ubuntu 14.04 LTS (trusty) - low.	2018-06-28

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