Vulnerability Name:

CVE-2018-17977 (CCN-150899)

Assigned:2018-10-05
Published:2018-10-05
Updated:2018-11-26
Summary:The Linux kernel 4.14.67 mishandles certain interaction among XFRM Netlink messages, IPPROTO_AH packets, and IPPROTO_IP packets, which allows local users to cause a denial of service (memory consumption and system hang) by leveraging root access to execute crafted applications, as demonstrated on CentOS 7.
CVSS v3 Severity:4.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.9 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/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): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
4.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): High
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:N/AC:H/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-400
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-17977

Source: BID
Type: Third Party Advisory, VDB Entry
105539

Source: CCN
Type: BID-105539
Linux Kernel CVE-2018-17977 Local Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
centos-cve201817977-dos(150899)

Source: CCN
Type: oss-sec Mailing List, Fri, 5 Oct 2018 23:46:07 +0800 (CST)
CVE-2018-17977: CentOS ipsec remote denial of service vulnerability

Source: CCN
Type: oss-sec Mailing List, Fri, 5 Oct 2018 18:54:06 +0200
Re: CVE-2018-17977: CentOS ipsec remote denial of service vulnerability

Source: CCN
Type: CentOS Web site
CentOS

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20181005 CVE-2018-17977: CentOS ipsec remote denial of service vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:4.14.67:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:centos:centos:6.10:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2018179770000000
    V
    		CVE-2018-17977 on Ubuntu 19.04 (disco) - medium.
    2018-10-08
    oval:com.ubuntu.bionic:def:201817977000
    V
    		CVE-2018-17977 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-10-08
    oval:com.ubuntu.cosmic:def:2018179770000000
    V
    		CVE-2018-17977 on Ubuntu 18.10 (cosmic) - medium.
    2018-10-08
    oval:com.ubuntu.cosmic:def:201817977000
    V
    		CVE-2018-17977 on Ubuntu 18.10 (cosmic) - medium.
    2018-10-08
    oval:com.ubuntu.bionic:def:2018179770000000
    V
    		CVE-2018-17977 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-10-08
    oval:com.ubuntu.trusty:def:201817977000
    V
    		CVE-2018-17977 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-10-08
    oval:com.ubuntu.xenial:def:2018179770000000
    V
    		CVE-2018-17977 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-10-08
    oval:com.ubuntu.xenial:def:201817977000
    V
    		CVE-2018-17977 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-10-08
    BACK
    linux linux kernel 4.14.67
    centos centos 6.10