Vulnerability Name:

CVE-2018-11412 (CCN-143811)

Assigned:2018-05-22
Published:2018-05-22
Updated:2019-03-15
Summary:In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.
CVSS v3 Severity:5.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
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)
5.6 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:P/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:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
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-2018-11412

Source: BID
Type: Third Party Advisory, VDB Entry
104291

Source: CCN
Type: BID-104291
Linux kernel CVE-2018-11412 Out-of-Bounds Security Vulnerability

Source: REDHAT
Type: Third Party Advisory
RHSA-2019:0525

Source: CCN
Type: Chromium Web site
Linux ext4: out-of-bounds memcpy via non-inline system.data xattr

Source: MISC
Type: Exploit, Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1580

Source: CCN
Type: Kernel.org Bugzilla – Bug 199803
out-of-bounds memcpy via non-inline system.data xattr

Source: MISC
Type: Exploit, Issue Tracking, Third Party Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=199803

Source: XF
Type: UNKNOWN
linux-kernel-cve201811412-dos(143811)

Source: CCN
Type: Packet Storm Security [05-24-2018]
Linux Ext4 Out-Of-Bounds Memcpy

Source: CCN
Type: Packet Storm Security [06-05-2018]
Linux Kernel ext4_read_inline_data() Memory Corruption

Source: UBUNTU
Type: Third Party Advisory
USN-3752-1

Source: UBUNTU
Type: Third Party Advisory
USN-3752-2

Source: UBUNTU
Type: Third Party Advisory
USN-3752-3

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [06-05-2018]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
44832

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

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-11412

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version >= 4.13 and <= 4.16.11)

    • Configuration 2:
  • cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.13.0:*:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:4.16.11:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2018114120000000
    V
    		CVE-2018-11412 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-05-24
    oval:com.ubuntu.artful:def:201811412000
    V
    		CVE-2018-11412 on Ubuntu 17.10 (artful) - medium.
    2018-05-24
    oval:com.ubuntu.xenial:def:201811412000
    V
    		CVE-2018-11412 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-05-24
    oval:com.ubuntu.bionic:def:201811412000
    V
    		CVE-2018-11412 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-05-24
    oval:com.ubuntu.cosmic:def:2018114120000000
    V
    		CVE-2018-11412 on Ubuntu 18.10 (cosmic) - medium.
    2018-05-24
    oval:com.ubuntu.cosmic:def:201811412000
    V
    		CVE-2018-11412 on Ubuntu 18.10 (cosmic) - medium.
    2018-05-24
    oval:com.ubuntu.bionic:def:2018114120000000
    V
    		CVE-2018-11412 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-05-24
    oval:com.ubuntu.trusty:def:201811412000
    V
    		CVE-2018-11412 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-05-24
    BACK
    linux linux kernel *
    canonical ubuntu linux 16.04
    canonical ubuntu linux 18.04
    linux linux kernel 4.13.0
    linux linux kernel 4.16.11