Vulnerability Name:

CCN-116679

Published:2016-08-31
Updated:2016-08-31
Summary:Asterisk is vulnerable to a denial of service, caused by a NULL pointer dereference when attempting to determine if ACLs should be applied. By sending an ACK, a remote attacker could exploit this vulnerability to cause the application to crash.
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)
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 (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 Consequences:Denial of Service
References:Source: CCN
Type: Asterisk Project Security Advisory - AST-2016-006
Crash on ACK from unknown endpoint

Source: XF
Type: UNKNOWN
asterisk-ack-dos(116679)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:digium:certified_asterisk:13.8:cert1-rc2:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    digium certified asterisk 13.8 cert1-rc2