Vulnerability CVE-2017-7617 - CERT Civis.Net

Vulnerability Name:

CVE-2017-7617 (CCN-124129)

Assigned:

2017-03-27

Published:

2017-03-27

Updated:

2017-04-17

Summary:

Remote code execution can occur in Asterisk Open Source 13.x before 13.14.1 and 14.x before 14.3.1 and Certified Asterisk 13.13 before 13.13-cert3 because of a buffer overflow in a CDR user field, related to X-ClientCode in chan_sip, the CDR dialplan function, and the AMI Monitor action.

CVSS v3 Severity:

8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/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): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/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): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

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

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2017-7617

Source: CCN
Type: Asterisk Project Security Advisory - AST-2017-001
Buffer overflow in CDR's set user

Source: CONFIRM
Type: Patch, Vendor Advisory
http://downloads.asterisk.org/pub/security/AST-2017-001.html

Source: BID
Type: Third Party Advisory, VDB Entry
97377

Source: CCN
Type: BID-97377
Multiple Asterisk Products Remote Buffer Overflow Vulnerability

Source: CONFIRM
Type: Patch, Third Party Advisory
https://bugs.debian.org/859910

Source: XF
Type: UNKNOWN
asterisk-opensource-bo(124129)

Vulnerable Configuration:

Configuration 1:

cpe:/a:digium:asterisk:13.0.0:*:*:*:lts:*:*:*

OR cpe:/a:digium:asterisk:13.0.0:beta1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.0.0:beta2:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.0.0:beta3:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.0.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.0.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.1.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.1.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.1.0:rc2:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.1.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.2.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.2.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.2.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.3.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.3.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.4.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.4.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.5.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.5.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.6.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.7.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.7.0:rc2:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.7.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.7.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.8.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.8.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.8.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.8.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.9.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.9.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.10.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.10.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.11.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.11.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.11.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.12:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.12.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.12.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.12.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.13:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.13.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.14.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.0.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.0.0:beta1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.0.0:beta2:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.0.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.0.0:rc2:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.0.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.0.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.01:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.1.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.1.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.1.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.02:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.2.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.2.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:14.3.0:*:*:*:*:*:*:*

Configuration 2:

cpe:/a:digium:certified_asterisk:*:*:*:*:*:*:*:* (Version <= 13.13-cert2)

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.bionic:def:201776170000000	V	CVE-2017-7617 on Ubuntu 18.04 LTS (bionic) - medium.	2017-04-10
oval:com.ubuntu.artful:def:20177617000	V	CVE-2017-7617 on Ubuntu 17.10 (artful) - medium.	2017-04-10
oval:com.ubuntu.trusty:def:20177617000	V	CVE-2017-7617 on Ubuntu 14.04 LTS (trusty) - medium.	2017-04-10
oval:com.ubuntu.xenial:def:201776170000000	V	CVE-2017-7617 on Ubuntu 16.04 LTS (xenial) - medium.	2017-04-10
oval:com.ubuntu.bionic:def:20177617000	V	CVE-2017-7617 on Ubuntu 18.04 LTS (bionic) - medium.	2017-04-10
oval:com.ubuntu.xenial:def:20177617000	V	CVE-2017-7617 on Ubuntu 16.04 LTS (xenial) - medium.	2017-04-10
oval:com.ubuntu.disco:def:201776170000000	V	CVE-2017-7617 on Ubuntu 19.04 (disco) - medium.	2017-04-10
oval:com.ubuntu.cosmic:def:20177617000	V	CVE-2017-7617 on Ubuntu 18.10 (cosmic) - medium.	2017-04-10
oval:com.ubuntu.cosmic:def:201776170000000	V	CVE-2017-7617 on Ubuntu 18.10 (cosmic) - medium.	2017-04-10
oval:com.ubuntu.precise:def:20177617000	V	CVE-2017-7617 on Ubuntu 12.04 LTS (precise) - medium.	2017-04-10