Vulnerability Name:

CVE-2018-7050 (CCN-139134)

Assigned:2018-02-15
Published:2018-02-15
Updated:2019-02-28
Summary:An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL pointer dereference occurs for an "empty" nick.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
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:5.0 Medium (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
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
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-2018-7050

Source: CONFIRM
Type: Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2018/02/15/1

Source: CCN
Type: oss-sec Mailing List, Thu, 15 Feb 2018 20:04:14 +0100
Irssi 1.1.1&1.0.7: CVE-2018-7054, CVE-2018-7053, CVE-2018-7050, CVE-2018-7052, CVE-2018-7051

Source: XF
Type: UNKNOWN
irssi-cve20187050-dos(139134)

Source: CCN
Type: Irssi Security Advisory IRSSI-SA-2018-02
Multiple vulnerabilities have been located in Irssi

Source: CONFIRM
Type: Mitigation, Vendor Advisory
https://irssi.org/security/irssi_sa_2018_02.txt

Source: UBUNTU
Type: Third Party Advisory
USN-3590-1

Source: DEBIAN
Type: Third Party Advisory
DSA-4162

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-7050

Vulnerable Configuration:Configuration 1:
  • cpe:/a:irssi:irssi:*:*:*:*:*:*:*:* (Version < 1.0.7)
  • OR cpe:/a:irssi:irssi:1.1.0:*:*:*:*:*:*:*

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

    • Configuration 3:
  • cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*

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

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20187050
    V
    		CVE-2018-7050
    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:25671
    P
    		Security update for the Linux Kernel (Important)
    2020-12-01
    oval:org.opensuse.security:def:25031
    P
    		Security update for gpg2 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:26402
    P
    		Security update for irssi (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25380
    P
    		Security update for apache2 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25685
    P
    		Security update for mariadb (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25158
    P
    		Security update for ceph (Important)
    2020-12-01
    oval:org.opensuse.security:def:25530
    P
    		Security update for virglrenderer (Important)
    2020-12-01
    oval:org.opensuse.security:def:24956
    P
    		Security update for libssh2_org (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25729
    P
    		Security update for spamassassin (Important)
    2020-12-01
    oval:org.opensuse.security:def:25239
    P
    		Security update for python3 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25583
    P
    		Security update for python36 (Important)
    2020-12-01
    oval:org.opensuse.security:def:24967
    P
    		Security update for postgresql10 (Important)
    2020-12-01
    oval:org.opensuse.security:def:26367
    P
    		Security update for MozillaThunderbird (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25296
    P
    		Security update for LibVNCServer (Important)
    2020-12-01
    oval:com.ubuntu.artful:def:20187050000
    V
    		CVE-2018-7050 on Ubuntu 17.10 (artful) - medium.
    2018-02-15
    oval:com.ubuntu.xenial:def:201870500000000
    V
    		CVE-2018-7050 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-02-15
    oval:com.ubuntu.trusty:def:20187050000
    V
    		CVE-2018-7050 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-02-15
    oval:com.ubuntu.xenial:def:20187050000
    V
    		CVE-2018-7050 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-02-15
    BACK
    irssi irssi *
    irssi irssi 1.1.0
    debian debian linux 9.0
    canonical ubuntu linux 14.04
    canonical ubuntu linux 16.04
    canonical ubuntu linux 17.10
    irssi irssi *