Vulnerability CVE-2017-16820

Vulnerability Name:

CVE-2017-16820 (CCN-134974)

Assigned:

2017-11-14

Published:

2017-11-14

Updated:

2018-09-04

Summary:

The csnmp_read_table function in snmp.c in the SNMP plugin in collectd before 5.6.3 is susceptible to a double free in a certain error case, which could lead to a crash (or potentially have other impact).

CVSS v3 Severity:

9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High Integrity (I): High 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:

10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

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-415

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2017-16820

Source: REDHAT
Type: UNKNOWN
RHSA-2018:0252

Source: REDHAT
Type: UNKNOWN
RHSA-2018:0299

Source: REDHAT
Type: UNKNOWN
RHSA-2018:0560

Source: REDHAT
Type: UNKNOWN
RHSA-2018:1605

Source: REDHAT
Type: UNKNOWN
RHSA-2018:2615

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://bugs.debian.org/881757

Source: CCN
Type: Debian Bug report logs - #881757
collectd: CVE-2017-16820: snmp plugin: double free or heap corruption

Source: XF
Type: UNKNOWN
collectd-cve201716820-dos(134974)

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory
https://github.com/collectd/collectd/commit/d16c24542b2f96a194d43a73c2e5778822b9cb47

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://github.com/collectd/collectd/issues/2291

Source: CCN
Type: collectd GIT Repository
collectd-5.6.3

Source: CONFIRM
Type: Issue Tracking, Third Party Advisory
https://github.com/collectd/collectd/releases/tag/collectd-5.6.3

Source: GENTOO
Type: UNKNOWN
GLSA-201803-10

Vulnerable Configuration:

Configuration 1:

cpe:/a:collectd:collectd:*:*:*:*:*:*:*:* (Version < 5.6.3)

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:2017168200000000	V	CVE-2017-16820 on Ubuntu 16.04 LTS (xenial) - medium.	2017-11-14
oval:com.ubuntu.artful:def:201716820000	V	CVE-2017-16820 on Ubuntu 17.10 (artful) - untriaged.	2017-11-14
oval:com.ubuntu.xenial:def:201716820000	V	CVE-2017-16820 on Ubuntu 16.04 LTS (xenial) - medium.	2017-11-14
oval:com.ubuntu.disco:def:2017168200000000	V	CVE-2017-16820 on Ubuntu 19.04 (disco) - medium.	2017-11-14
oval:com.ubuntu.bionic:def:201716820000	V	CVE-2017-16820 on Ubuntu 18.04 LTS (bionic) - medium.	2017-11-14
oval:com.ubuntu.cosmic:def:2017168200000000	V	CVE-2017-16820 on Ubuntu 18.10 (cosmic) - medium.	2017-11-14
oval:com.ubuntu.cosmic:def:201716820000	V	CVE-2017-16820 on Ubuntu 18.10 (cosmic) - medium.	2017-11-14
oval:com.ubuntu.bionic:def:2017168200000000	V	CVE-2017-16820 on Ubuntu 18.04 LTS (bionic) - medium.	2017-11-14
oval:com.ubuntu.trusty:def:201716820000	V	CVE-2017-16820 on Ubuntu 14.04 LTS (trusty) - medium.	2017-11-14

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