Vulnerability Name:

CVE-2018-7287 (CCN-139400)

Assigned:2018-02-21
Published:2018-02-21
Updated:2019-10-03
Summary:An issue was discovered in res_http_websocket.c in Asterisk 15.x through 15.2.1. If the HTTP server is enabled (default is disabled), WebSocket payloads of size 0 are mishandled (with a busy loop).
CVSS v3 Severity:5.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/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): High
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:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
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-754
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-7287

Source: CCN
Type: Asterisk Project Security Advisory - AST-2018-006
WebSocket frames with 0 sized payload causes DoS

Source: CONFIRM
Type: Vendor Advisory
http://downloads.digium.com/pub/security/AST-2018-006.html

Source: BID
Type: Third Party Advisory, VDB Entry
103120

Source: CCN
Type: BID-103120
Asterisk Open Source CVE-2018-7287 Denial of Service Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040419

Source: XF
Type: UNKNOWN
asterisk-cve20187287-dos(139400)

Source: CONFIRM
Type: Vendor Advisory
https://issues.asterisk.org/jira/browse/ASTERISK-27658

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-7287

Vulnerable Configuration:Configuration 1:
  • cpe:/a:digium:asterisk:15.0.0:beta1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.0.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.1.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.1.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.1.4:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.1.5:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.2.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.2.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:15.2.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:201872870000000
    V
    		CVE-2018-7287 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-02-22
    oval:com.ubuntu.disco:def:201872870000000
    V
    		CVE-2018-7287 on Ubuntu 19.04 (disco) - medium.
    2018-02-22
    oval:com.ubuntu.bionic:def:201872870000000
    V
    		CVE-2018-7287 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-02-22
    oval:com.ubuntu.artful:def:20187287000
    V
    		CVE-2018-7287 on Ubuntu 17.10 (artful) - medium.
    2018-02-21
    oval:com.ubuntu.xenial:def:20187287000
    V
    		CVE-2018-7287 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-02-21
    oval:com.ubuntu.bionic:def:20187287000
    V
    		CVE-2018-7287 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-02-21
    oval:com.ubuntu.cosmic:def:201872870000000
    V
    		CVE-2018-7287 on Ubuntu 18.10 (cosmic) - medium.
    2018-02-21
    oval:com.ubuntu.cosmic:def:20187287000
    V
    		CVE-2018-7287 on Ubuntu 18.10 (cosmic) - medium.
    2018-02-21
    oval:com.ubuntu.trusty:def:20187287000
    V
    		CVE-2018-7287 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-02-21
    BACK
    digium asterisk 15.0.0 beta1
    digium asterisk 15.0.0 rc1
    digium asterisk 15.1.0
    digium asterisk 15.1.0 rc1
    digium asterisk 15.1.0 rc2
    digium asterisk 15.1.1
    digium asterisk 15.1.2
    digium asterisk 15.1.3
    digium asterisk 15.1.4
    digium asterisk 15.1.5
    digium asterisk 15.2.0
    digium asterisk 15.2.0 rc1
    digium asterisk 15.2.0 rc2
    digium asterisk 15.2.1