Vulnerability Name:

CVE-2017-15721 (CCN-134017)

Assigned:2017-10-22
Published:2017-10-22
Updated:2019-03-14
Summary:In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate, but similar, issue relative to CVE-2017-9468.
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
7.5 High (CCN 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 (CCN 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
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
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-15721

Source: CONFIRM
Type: Mailing List, Mitigation, Patch, Third Party Advisory
http://openwall.com/lists/oss-security/2017/10/22/4

Source: XF
Type: UNKNOWN
irssi-cve201715721-dos(134017)

Source: CCN
Type: IRSSI-SA-2017-10 Irssi Security Advisory
Multiple vulnerabilities have been located in Irssi

Source: CONFIRM
Type: Mitigation, Patch, Vendor Advisory
https://irssi.org/security/irssi_sa_2017_10.txt

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20171223 [SECURITY] [DLA 1217-1] irssi security update

Source: DEBIAN
Type: Third Party Advisory
DSA-4016

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-15721

Vulnerable Configuration:Configuration 1:
  • cpe:/a:irssi:irssi:*:*:*:*:*:*:*:* (Version <= 1.0.4)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:irssi:irssi:1.0.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201715721
    V
    		CVE-2017-15721
    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:25615
    P
    		Security update for samba (Important)
    2020-12-01
    oval:org.opensuse.security:def:24975
    P
    		Security update for MozillaFirefox (Important)
    2020-12-01
    oval:org.opensuse.security:def:26346
    P
    		Security update for irssi (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25324
    P
    		Security update for bcm43xx-firmware (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25629
    P
    		Security update for xen (Important)
    2020-12-01
    oval:org.opensuse.security:def:25102
    P
    		Security update for python (Important)
    2020-12-01
    oval:org.opensuse.security:def:25474
    P
    		Security update for xen (Important)
    2020-12-01
    oval:org.opensuse.security:def:24900
    P
    		Security update for ImageMagick (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25673
    P
    		Security update for openldap2 (Important)
    2020-12-01
    oval:org.opensuse.security:def:25183
    P
    		Security update for libexif (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25527
    P
    		Security update for java-11-openjdk (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:24911
    P
    		Security update for openssl-1_1 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:26311
    P
    		Security update for openstack-nova and openstack-neutron (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:25240
    P
    		Security update for mariadb (Moderate)
    2020-12-01
    oval:com.ubuntu.artful:def:201715721000
    V
    		CVE-2017-15721 on Ubuntu 17.10 (artful) - medium.
    2017-10-22
    oval:com.ubuntu.xenial:def:2017157210000000
    V
    		CVE-2017-15721 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-10-22
    oval:com.ubuntu.trusty:def:201715721000
    V
    		CVE-2017-15721 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-10-22
    oval:com.ubuntu.xenial:def:201715721000
    V
    		CVE-2017-15721 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-10-22
    BACK
    irssi irssi *
    debian debian linux 7.0
    debian debian linux 8.0
    debian debian linux 9.0
    irssi irssi 1.0.4