Vulnerability Name:

CVE-2018-10840 (CCN-147902)

Assigned:2018-07-16
Published:2018-07-16
Updated:2023-02-13
Summary:
CVSS v3 Severity:6.6 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/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): Physical
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
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
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
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-10840

Source: secalert@redhat.com
Type: Third Party Advisory, VDB Entry
secalert@redhat.com

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: CCN
Type: Red Hat Bugzilla – Bug 1582346
(CVE-2018-10840) CVE-2018-10840 kernel: Heap-based buffer overflow in fs/ext4/xattr.c:ext4_xattr_set_entry() with crafted ext4 image

Source: secalert@redhat.com
Type: Exploit, Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com

Source: XF
Type: UNKNOWN
linux-kernel-cve201810840-bo(147902)

Source: CCN
Type: Linux Kernel GIT Repository
ext4: correctly handle a zero-length xattr with a non-zero e_value_offs

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.17:-:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2018108400000000
    V
    CVE-2018-10840 on Ubuntu 16.04 LTS (xenial) - low.
    2018-07-16
    oval:com.ubuntu.artful:def:201810840000
    V
    CVE-2018-10840 on Ubuntu 17.10 (artful) - medium.
    2018-07-16
    oval:com.ubuntu.xenial:def:201810840000
    V
    CVE-2018-10840 on Ubuntu 16.04 LTS (xenial) - low.
    2018-07-16
    oval:com.ubuntu.bionic:def:201810840000
    V
    CVE-2018-10840 on Ubuntu 18.04 LTS (bionic) - low.
    2018-07-16
    oval:com.ubuntu.cosmic:def:2018108400000000
    V
    CVE-2018-10840 on Ubuntu 18.10 (cosmic) - low.
    2018-07-16
    oval:com.ubuntu.cosmic:def:201810840000
    V
    CVE-2018-10840 on Ubuntu 18.10 (cosmic) - low.
    2018-07-16
    oval:com.ubuntu.bionic:def:2018108400000000
    V
    CVE-2018-10840 on Ubuntu 18.04 LTS (bionic) - low.
    2018-07-16
    oval:com.ubuntu.trusty:def:201810840000
    V
    CVE-2018-10840 on Ubuntu 14.04 LTS (trusty) - low.
    2018-07-16
    BACK
    linux linux kernel 4.17