Vulnerability Name:

CVE-2014-8415 (CCN-98866)

Assigned:2014-11-20
Published:2014-11-20
Updated:2019-07-16
Summary:Race condition in the chan_pjsip channel driver in Asterisk Open Source 12.x before 12.7.1 and 13.x before 13.0.1 allows remote attackers to cause a denial of service (assertion failure and crash) via a cancel request for a SIP session with a queued action to (1) answer a session or (2) send ringing.
CVSS v3 Severity: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)
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)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
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)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
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-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2014-8415

Source: CCN
Type: Asterisk Project Security Advisory - AST-2014-015
Remote Crash Vulnerability in PJSIP channel driver

Source: CONFIRM
Type: Vendor Advisory
http://downloads.asterisk.org/pub/security/AST-2014-015.html

Source: CCN
Type: BID-71225
Asterisk Open Source PJSIP Channel Driver Denial of Service Vulnerability

Source: CCN
Type: BID-72380
Multiple Asterisk Products 'Channels/chan_pjsip' Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
asterisk-cve20148415-dos(98866)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2014-8415

Vulnerable Configuration:Configuration 1:
  • cpe:/a:digium:asterisk:*:*:*:*:*:*:*:* (Version >= 12.0.0 and < 12.7.1)
  • OR cpe:/a:digium:asterisk:*:*:*:*:*:*:*:* (Version >= 13.0.0 and < 13.0.1)

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20148415000
    V
    		CVE-2014-8415 on Ubuntu 12.04 LTS (precise) - medium.
    2014-11-24
    oval:com.ubuntu.trusty:def:20148415000
    V
    		CVE-2014-8415 on Ubuntu 14.04 LTS (trusty) - medium.
    2014-11-24
    BACK
    digium asterisk *
    digium asterisk *