Vulnerability Name:

CVE-2018-5206 (CCN-137334)

Assigned:2018-01-03
Published:2018-01-03
Updated:2019-03-12
Summary:When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/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): High
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-5206

Source: XF
Type: UNKNOWN
irssi-cve20185206-dos(137334)

Source: CCN
Type: Irssi Security Advisory IRSSI-SA-2018-01
Multiple vulnerabilities have been located in Irssi

Source: CONFIRM
Type: Patch, Vendor Advisory
https://irssi.org/security/irssi_sa_2018_01.txt

Source: DEBIAN
Type: Third Party Advisory
DSA-4162

Vulnerable Configuration:Configuration 1:
  • cpe:/a:irssi:irssi:*:*:*:*:*:*:*:* (Version < 1.0.6)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:irssi:irssi:1.0.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20185206
    V
    		CVE-2018-5206
    2022-06-30
    oval:org.opensuse.security:def:112443
    P
    		irssi-1.2.3-2.4 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105949
    P
    		irssi-1.2.3-2.4 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:25673
    P
    		Security update for openldap2 (Important)
    2020-12-01
    oval:org.opensuse.security:def:25033
    P
    		Security update for openssl-1_0_0 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:26404
    P
    		Security update for irssi (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25382
    P
    		Security update for squid (Critical)
    2020-12-01
    oval:org.opensuse.security:def:25687
    P
    		Security update for bluez (Important)
    2020-12-01
    oval:org.opensuse.security:def:25160
    P
    		Security update for icu (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25532
    P
    		Security update for the Linux Kernel (Important)
    2020-12-01
    oval:org.opensuse.security:def:24958
    P
    		Security update for java-1_8_0-ibm (Important)
    2020-12-01
    oval:org.opensuse.security:def:25731
    P
    		Security update for memcached (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25241
    P
    		Security update for java-1_7_1-ibm (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25585
    P
    		Security update for webkit2gtk3 (Important)
    2020-12-01
    oval:org.opensuse.security:def:24969
    P
    		Security update for kernel-firmware (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:26369
    P
    		Security update for Chromium (Important)
    2020-12-01
    oval:org.opensuse.security:def:25298
    P
    		Security update for xerces-c (Moderate)
    2020-12-01
    oval:com.ubuntu.artful:def:20185206000
    V
    		CVE-2018-5206 on Ubuntu 17.10 (artful) - medium.
    2018-01-06
    oval:com.ubuntu.xenial:def:201852060000000
    V
    		CVE-2018-5206 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-01-06
    oval:com.ubuntu.trusty:def:20185206000
    V
    		CVE-2018-5206 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-01-06
    oval:com.ubuntu.xenial:def:20185206000
    V
    		CVE-2018-5206 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-01-06
    BACK
    irssi irssi *
    debian debian linux 9.0
    irssi irssi 1.0.5