Vulnerability Name:

CVE-2012-3553 (CCN-76336)

Assigned:2012-06-14
Published:2012-06-14
Updated:2012-06-26
Summary:chan_skinny.c in the Skinny (aka SCCP) channel driver in Asterisk Open Source 10.x before 10.5.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by sending a Station Key Pad Button message and closing a connection in off-hook mode, a related issue to CVE-2012-2948.
Per: http://cwe.mitre.org/data/definitions/476.html

'CWE-476: NULL Pointer Dereference'
CVSS v3 Severity:3.5 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)
3.0 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)
3.0 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2012-3553

Source: CCN
Type: AST-2012-009
Skinny Channel Driver Remote Crash Vulnerability

Source: CONFIRM
Type: Vendor Advisory
http://downloads.asterisk.org/pub/security/AST-2012-009.html

Source: CCN
Type: SA49543
Asterisk Skinny Channel Driver Denial of Service Vulnerability

Source: CCN
Type: OSVDB ID: 83040
Asterisk channels/chan_skinny.c SCCP (Skinny) Channel Driver Client Connection Termination Off Hook State NULL-Pointer Dereference Remote DoS

Source: CCN
Type: BID-54017
Asterisk CVE-2012-3553 SCCP Skinny Channel Driver Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
asterisk-channel-driver-dos(76336)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:digium:asterisk:10.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.0.0:beta1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.0.0:beta2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.0.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.0.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.0.0:rc3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.1.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.1.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.1.3:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.2.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.2.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.2.0:rc3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.2.0:rc4:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.3.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.3.0:rc3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.3.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.4.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.4.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.4.0:rc3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.4.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.4.2:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.5.0:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.5.0:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:10.5.0:rc2:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:digium:asterisk:10.0.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20123553000
    V
    		CVE-2012-3553 on Ubuntu 12.04 LTS (precise) - medium.
    2012-06-19
    BACK
    digium asterisk 10.0.0
    digium asterisk 10.0.0 beta1
    digium asterisk 10.0.0 beta2
    digium asterisk 10.0.0 rc1
    digium asterisk 10.0.0 rc2
    digium asterisk 10.0.0 rc3
    digium asterisk 10.0.1
    digium asterisk 10.1.0
    digium asterisk 10.1.0 rc1
    digium asterisk 10.1.0 rc2
    digium asterisk 10.1.1
    digium asterisk 10.1.2
    digium asterisk 10.1.3
    digium asterisk 10.2.0
    digium asterisk 10.2.0 rc1
    digium asterisk 10.2.0 rc2
    digium asterisk 10.2.0 rc3
    digium asterisk 10.2.0 rc4
    digium asterisk 10.2.1
    digium asterisk 10.3.0
    digium asterisk 10.3.0 rc2
    digium asterisk 10.3.0 rc3
    digium asterisk 10.3.1
    digium asterisk 10.4.0
    digium asterisk 10.4.0 rc1
    digium asterisk 10.4.0 rc2
    digium asterisk 10.4.0 rc3
    digium asterisk 10.4.1
    digium asterisk 10.4.2
    digium asterisk 10.5.0
    digium asterisk 10.5.0 rc1
    digium asterisk 10.5.0 rc2
    digium asterisk 10.0.0