Vulnerability CVE-2018-1000179

Vulnerability Name:

CVE-2018-1000179 (CCN-142653)

Assigned:

2018-05-01

Published:

2018-05-01

Updated:

2020-10-26

Summary:

A NULL Pointer Dereference of CWE-476 exists in quassel version 0.12.4 in the quasselcore void CoreAuthHandler::handle(const Login &msg) coreauthhandler.cpp line 235 that allows an attacker to cause a denial of service.

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-2018-1000179

Source: CCN
Type: Quassel Web site
Quassel

Source: CCN
Type: oss-sec Mailing List, Tue, 1 May 2018 10:45:18 +0200
Re: CVE-XXX (quasselclient/quasselcore version 0.12.4): Heap Remote Code Execution and Null Pointer DDOS

Source: XF
Type: UNKNOWN
quassel-cve20181000179-dos(142653)

Source: CONFIRM
Type: Exploit, Third Party Advisory
https://github.com/quassel/quassel/blob/master/src/core/coreauthhandler.cpp#L236

Source: GENTOO
Type: Third Party Advisory
GLSA-201806-04

Source: UBUNTU
Type: UNKNOWN
USN-4594-1

Source: DEBIAN
Type: Third Party Advisory
DSA-4189

Vulnerable Configuration:

Configuration 1:

cpe:/a:quassel-irc:quassel:0.12.4:*:*:*:*:*:*:*

Configuration 2:

cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:20181000179	V	CVE-2018-1000179	2022-06-30
oval:org.opensuse.security:def:113323	P	quassel-base-0.13.1-4.10 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:106732	P	quassel-base-0.13.1-4.10 on GA media (Moderate)	2021-10-01
oval:com.ubuntu.bionic:def:201810001790000000	V	CVE-2018-1000179 on Ubuntu 18.04 LTS (bionic) - low.	2018-05-08
oval:com.ubuntu.artful:def:20181000179000	V	CVE-2018-1000179 on Ubuntu 17.10 (artful) - low.	2018-05-08
oval:com.ubuntu.xenial:def:20181000179000	V	CVE-2018-1000179 on Ubuntu 16.04 LTS (xenial) - low.	2018-05-08
oval:com.ubuntu.xenial:def:201810001790000000	V	CVE-2018-1000179 on Ubuntu 16.04 LTS (xenial) - low.	2018-05-08
oval:com.ubuntu.bionic:def:20181000179000	V	CVE-2018-1000179 on Ubuntu 18.04 LTS (bionic) - low.	2018-05-08
oval:com.ubuntu.disco:def:201810001790000000	V	CVE-2018-1000179 on Ubuntu 19.04 (disco) - low.	2018-05-08
oval:com.ubuntu.cosmic:def:20181000179000	V	CVE-2018-1000179 on Ubuntu 18.10 (cosmic) - low.	2018-05-08
oval:com.ubuntu.cosmic:def:201810001790000000	V	CVE-2018-1000179 on Ubuntu 18.10 (cosmic) - low.	2018-05-08
oval:com.ubuntu.trusty:def:20181000179000	V	CVE-2018-1000179 on Ubuntu 14.04 LTS (trusty) - low.	2018-05-08

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