Vulnerability CVE-2017-7655

Vulnerability Name:

CVE-2017-7655 (CCN-163435)

Assigned:

2017-04-11

Published:

2018-04-18

Updated:

2021-11-02

Summary:

In Eclipse Mosquitto version from 1.0 to 1.4.15, a Null Dereference vulnerability was found in the Mosquitto library which could lead to crashes for those applications using the library.

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-2017-7655

Source: CCN
Type: Bugzilla - Bug 533775
CVE-2017-7655: Potential NULL Dereference vulnerability in Mosquitto Library

Source: CONFIRM
Type: Issue Tracking, Vendor Advisory
https://bugs.eclipse.org/bugs/show_bug.cgi?id=533775

Source: XF
Type: UNKNOWN
eclipse-cve20177655-dos(163435)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20191026 [SECURITY] [DLA 1972-1] mosquitto security update

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20211027 [SECURITY] [DLA 2793-1] mosquitto security update

Source: CCN
Type: Eclipse Web site
Mosquitto

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-7655

Vulnerable Configuration:

Configuration 1:

cpe:/a:eclipse:mosquitto:*:*:*:*:*:*:*:* (Version >= 1.0 and <= 1.4.15)

Configuration 2:

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

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

Configuration CCN 1:

cpe:/a:eclipse:mosquitto:1.4.15:*:*:*:*:*:*:*

OR cpe:/a:eclipse:mosquitto:1.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.disco:def:201776550000000	V	CVE-2017-7655 on Ubuntu 19.04 (disco) - medium.	2019-03-27
oval:com.ubuntu.bionic:def:20177655000	V	CVE-2017-7655 on Ubuntu 18.04 LTS (bionic) - medium.	2019-03-27
oval:com.ubuntu.cosmic:def:201776550000000	V	CVE-2017-7655 on Ubuntu 18.10 (cosmic) - medium.	2019-03-27
oval:com.ubuntu.cosmic:def:20177655000	V	CVE-2017-7655 on Ubuntu 18.10 (cosmic) - medium.	2019-03-27
oval:com.ubuntu.bionic:def:201776550000000	V	CVE-2017-7655 on Ubuntu 18.04 LTS (bionic) - medium.	2019-03-27
oval:com.ubuntu.trusty:def:20177655000	V	CVE-2017-7655 on Ubuntu 14.04 LTS (trusty) - medium.	2019-03-27
oval:com.ubuntu.xenial:def:201776550000000	V	CVE-2017-7655 on Ubuntu 16.04 LTS (xenial) - medium.	2019-03-27
oval:com.ubuntu.xenial:def:20177655000	V	CVE-2017-7655 on Ubuntu 16.04 LTS (xenial) - medium.	2019-03-27

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