Vulnerability CVE-2017-5193

Vulnerability Name:

CVE-2017-5193 (CCN-122690)

Assigned:

2017-03-03

Published:

2017-03-03

Updated:

2019-03-19

Summary:

The nickcmp function in Irssi before 0.8.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a message without a 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

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-2017-5193

Source: CCN
Type: oss-sec Mailing List, Fri, 6 Jan 2017 03:16:14 -0500
Re: CVE Request: Irssi Multiple Vulnerabilities (2017/01)

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20170106 Re: CVE Request: Irssi Multiple Vulnerabilities (2017/01)

Source: BID
Type: Third Party Advisory, VDB Entry
95310

Source: CCN
Type: BID-95310
Irssi Multiple Memory Corruption Vulnerabilities

Source: XF
Type: UNKNOWN
irssi-cve20175193-dos(122690)

Source: CCN
Type: Irssi Web site
Irssi

Source: CONFIRM
Type: Patch, Vendor Advisory
https://irssi.org/security/irssi_sa_2017_01.txt

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

Source: GENTOO
Type: Third Party Advisory
GLSA-201701-45

Vulnerable Configuration:

Configuration 1:

cpe:/a:irssi:irssi:*:*:*:*:*:*:*:* (Version < 0.8.21)

Configuration 2:

cpe:/o:debian:debian_linux:7.0:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:irssi:irssi:0.8.19:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:20175193	V	CVE-2017-5193	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:25649	P	Security update for libcdio (Low)	2020-12-01
oval:org.opensuse.security:def:25009	P	Security update for libsolv, libzypp, zypper (Moderate)	2020-12-01
oval:org.opensuse.security:def:26380	P	Security update for irssi (Moderate)	2020-12-01
oval:org.opensuse.security:def:25358	P	Security update for tomcat (Important)	2020-12-01
oval:org.opensuse.security:def:25663	P	Security update for java-11-openjdk (Important)	2020-12-01
oval:org.opensuse.security:def:25136	P	Security update for clamav (Important)	2020-12-01
oval:org.opensuse.security:def:25508	P	Security update for mailman (Important)	2020-12-01
oval:org.opensuse.security:def:24934	P	Security update for systemd (Moderate)	2020-12-01
oval:org.opensuse.security:def:25707	P	Security update for java-1_7_1-ibm (Moderate)	2020-12-01
oval:org.opensuse.security:def:25217	P	Security update for openldap2 (Important)	2020-12-01
oval:org.opensuse.security:def:25561	P	Security update for xen (Important)	2020-12-01
oval:org.opensuse.security:def:24945	P	Security update for vim (Important)	2020-12-01
oval:org.opensuse.security:def:26345	P	Security update for libgit2 (Moderate)	2020-12-01
oval:org.opensuse.security:def:25274	P	Security update for djvulibre (Low)	2020-12-01
oval:com.ubuntu.precise:def:20175193000	V	CVE-2017-5193 on Ubuntu 12.04 LTS (precise) - low.	2017-03-03
oval:com.ubuntu.xenial:def:201751930000000	V	CVE-2017-5193 on Ubuntu 16.04 LTS (xenial) - low.	2017-03-03
oval:com.ubuntu.trusty:def:20175193000	V	CVE-2017-5193 on Ubuntu 14.04 LTS (trusty) - low.	2017-03-03
oval:com.ubuntu.xenial:def:20175193000	V	CVE-2017-5193 on Ubuntu 16.04 LTS (xenial) - low.	2017-03-03

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