Vulnerability CVE-2012-2948 - CERT Civis.Net

Vulnerability Name:

CVE-2012-2948 (CCN-75937)

Assigned:

2012-05-29

Published:

2012-05-29

Updated:

2017-08-29

Summary:

chan_skinny.c in the Skinny (aka SCCP) channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by closing a connection in off-hook mode.

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:

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

4.3 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
3.2 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

Vulnerability Consequences:

Denial of Service

References:

Source: BUGTRAQ
Type: UNKNOWN
20120529 AST-2012-008: Skinny Channel Driver Remote Crash Vulnerability

Source: MITRE
Type: CNA
CVE-2012-2948

Source: CCN
Type: AST-2012-008
Skinny Channel Driver Remote Crash Vulnerability

Source: CONFIRM
Type: UNKNOWN
http://downloads.asterisk.org/pub/security/AST-2012-008.html

Source: CCN
Type: SA49303
Asterisk Two Denial of Service Vulnerabilities

Source: SECUNIA
Type: UNKNOWN
49303

Source: DEBIAN
Type: UNKNOWN
DSA-2493

Source: DEBIAN
Type: DSA-2493
asterisk -- denial of service

Source: CCN
Type: OSVDB ID: 82451
Asterisk channels/chan_skinny.c SCCP (Skinny) Channel Driver Client Connection Termination Handling Remote DoS

Source: BID
Type: UNKNOWN
53723

Source: CCN
Type: BID-53723
Asterisk SCCP Skinny Channel Driver Denial Of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1027103

Source: XF
Type: UNKNOWN
asterisk-scd-dos(75937)

Source: XF
Type: UNKNOWN
asterisk-scd-dos(75937)

Vulnerable Configuration:

Configuration 1:

cpe:/a:asterisk:certified_asterisk:1.8.11:cert:*:*:*:*:*:*

OR cpe:/a:asterisk:certified_asterisk:1.8.11:cert1:*:*:*:*:*:*

Configuration 2:

cpe:/a:asterisk:open_source:1.8.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.0:beta1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.0:beta2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.0:beta3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.0:beta4:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.0:beta5:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.0:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.0:rc3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.0:rc4:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.0:rc5:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.1:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.2:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.2:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.3:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.5:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.5.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.6.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.6.0:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.6.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.6.0:rc3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.7.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.7.0:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.7.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.8.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.8.0:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.8.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.8.0:rc3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.8.0:rc4:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.8.0:rc5:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.9.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.9.0:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.9.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.9.0:rc3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.10.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.10.0:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.10.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.10.0:rc3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.10.0:rc4:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.11.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.11.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.11.0:rc3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.12:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:*:*:*:*:*:*:*:* (Version <= 1.8.12.0)

OR cpe:/a:asterisk:open_source:1.8.12.0:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.12.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.8.12.0:rc3:*:*:*:*:*:*

Configuration 3:

cpe:/a:asterisk:open_source:10.0.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.0.0:beta1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.0.0:beta2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.0.0:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.0.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.0.0:rc3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.1.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.1.0:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.1.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.2.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.2.0:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.2.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.2.0:rc3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.2.0:rc4:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.3:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.3.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.3.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.3.0:rc3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:*:*:*:*:*:*:*:* (Version <= 10.4.0)

OR cpe:/a:asterisk:open_source:10.4.0:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.4.0:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:10.4.0:rc3:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:digium:asterisk:1.8.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:10.0.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.mitre.oval:def:18445	P	DSA-2493-1 asterisk - denial of service	2014-06-23
oval:com.ubuntu.precise:def:20122948000	V	CVE-2012-2948 on Ubuntu 12.04 LTS (precise) - medium.	2012-06-02
oval:com.ubuntu.xenial:def:201229480000000	V	CVE-2012-2948 on Ubuntu 16.04 LTS (xenial) - medium.	2012-06-02
oval:com.ubuntu.trusty:def:20122948000	V	CVE-2012-2948 on Ubuntu 14.04 LTS (trusty) - medium.	2012-06-02
oval:com.ubuntu.xenial:def:20122948000	V	CVE-2012-2948 on Ubuntu 16.04 LTS (xenial) - medium.	2012-06-02