Vulnerability Name:

CVE-2018-13097 (CCN-145962)

Assigned:2018-05-09
Published:2018-05-09
Updated:2019-04-03
Summary:An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3. There is an out-of-bounds read or a divide-by-zero error for an incorrect user_block_count in a corrupted f2fs image, leading to a denial of service (BUG).
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
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
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-369
CWE-125
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-13097

Source: SUSE
Type: UNKNOWN
openSUSE-SU-2018:3202

Source: MISC
Type: UNKNOWN
http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html

Source: MISC
Type: Issue Tracking
https://bugzilla.kernel.org/show_bug.cgi?id=200171

Source: XF
Type: UNKNOWN
linux-kernel-cve201813097-dos(145962)

Source: CCN
Type: Linux Kernel GIT Repository
f2fs: fix to do sanity check with user_block_count

Source: MISC
Type: UNKNOWN
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9dc956b2c8523aed39d1e6508438be9fea28c8fc

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20190315 [SECURITY] [DLA 1715-1] linux-4.9 security update

Source: BUGTRAQ
Type: UNKNOWN
20190130 [slackware-security] Slackware 14.2 kernel (SSA:2019-030-01)

Source: UBUNTU
Type: UNKNOWN
USN-3932-1

Source: UBUNTU
Type: UNKNOWN
USN-3932-2

Source: UBUNTU
Type: UNKNOWN
USN-4094-1

Source: UBUNTU
Type: UNKNOWN
USN-4118-1

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 4.17.3)

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.17.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201813097
    V
    		CVE-2018-13097
    2019-09-27
    oval:com.ubuntu.bionic:def:2018130970000000
    V
    		CVE-2018-13097 on Ubuntu 18.04 LTS (bionic) - low.
    2018-07-03
    oval:com.ubuntu.artful:def:201813097000
    V
    		CVE-2018-13097 on Ubuntu 17.10 (artful) - medium.
    2018-07-03
    oval:com.ubuntu.xenial:def:201813097000
    V
    		CVE-2018-13097 on Ubuntu 16.04 LTS (xenial) - low.
    2018-07-03
    oval:com.ubuntu.xenial:def:2018130970000000
    V
    		CVE-2018-13097 on Ubuntu 16.04 LTS (xenial) - low.
    2018-07-03
    oval:com.ubuntu.bionic:def:201813097000
    V
    		CVE-2018-13097 on Ubuntu 18.04 LTS (bionic) - low.
    2018-07-03
    oval:com.ubuntu.disco:def:2018130970000000
    V
    		CVE-2018-13097 on Ubuntu 19.04 (disco) - low.
    2018-07-03
    oval:com.ubuntu.cosmic:def:201813097000
    V
    		CVE-2018-13097 on Ubuntu 18.10 (cosmic) - low.
    2018-07-03
    oval:com.ubuntu.cosmic:def:2018130970000000
    V
    		CVE-2018-13097 on Ubuntu 18.10 (cosmic) - low.
    2018-07-03
    oval:com.ubuntu.trusty:def:201813097000
    V
    		CVE-2018-13097 on Ubuntu 14.04 LTS (trusty) - low.
    2018-07-03
    BACK
    linux linux kernel *
    linux linux kernel 4.17.3