Vulnerability Name:

CVE-2018-10242 (CCN-163340)

Assigned:2018-04-20
Published:2019-04-04
Updated:2019-05-06
Summary:Suricata version 4.0.4 incorrectly handles the parsing of the SSH banner. A malformed SSH banner can cause the parsing code to read beyond the allocated data because SSHParseBanner in app-layer-ssh.c lacks a length check.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-125
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-10242

Source: XF
Type: UNKNOWN
suricata-cve201810242-dos(163340)

Source: MLIST
Type: Third Party Advisory
[debian-lts-announce] 20190408 [SECURITY] [DLA 1751-1] suricata security update

Source: CCN
Type: Suricata Web site
Suricata 4.0.5 available!

Source: CONFIRM
Type: Release Notes, Vendor Advisory
https://suricata-ids.org/2018/07/18/suricata-4-0-5-available/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:suricata-ids:suricata:4.0.4:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2018102420000000
    V
    		CVE-2018-10242 on Ubuntu 19.04 (disco) - medium.
    2019-04-04
    oval:com.ubuntu.bionic:def:201810242000
    V
    		CVE-2018-10242 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-04-04
    oval:com.ubuntu.cosmic:def:2018102420000000
    V
    		CVE-2018-10242 on Ubuntu 18.10 (cosmic) - medium.
    2019-04-04
    oval:com.ubuntu.cosmic:def:201810242000
    V
    		CVE-2018-10242 on Ubuntu 18.10 (cosmic) - medium.
    2019-04-04
    oval:com.ubuntu.bionic:def:2018102420000000
    V
    		CVE-2018-10242 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-04-04
    oval:com.ubuntu.trusty:def:201810242000
    V
    		CVE-2018-10242 on Ubuntu 14.04 LTS (trusty) - medium.
    2019-04-04
    oval:com.ubuntu.xenial:def:2018102420000000
    V
    		CVE-2018-10242 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-04-04
    oval:com.ubuntu.xenial:def:201810242000
    V
    		CVE-2018-10242 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-04-04
    BACK
    suricata-ids suricata 4.0.4
    debian debian linux 8.0