Vulnerability Name:

CVE-2011-2216 (CCN-67812)

Assigned:2011-06-02
Published:2011-06-02
Updated:2018-10-09
Summary:reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed Contact header.
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: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
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-2011-2216

Source: CCN
Type: AST-2011-007
Remote Crash Vulnerability in SIP channel driver

Source: CONFIRM
Type: Vendor Advisory
http://downloads.digium.com/pub/security/AST-2011-007.html

Source: FEDORA
Type: UNKNOWN
FEDORA-2011-8983

Source: FEDORA
Type: UNKNOWN
FEDORA-2011-8319

Source: OSVDB
Type: UNKNOWN
72752

Source: CCN
Type: SA44828
Asterisk SIP Channel Driver parse_uri_full() Denial of Service

Source: SECUNIA
Type: UNKNOWN
44828

Source: SECTRACK
Type: UNKNOWN
1025598

Source: CCN
Type: OSVDB ID: 72752
Asterisk SIP Channel Driver reqresp_parser.c parse_uri_full() Function Contact Header NULL Dereference Remote DoS

Source: BUGTRAQ
Type: UNKNOWN
20110602 AST-2011-007

Source: BID
Type: UNKNOWN
48096

Source: CCN
Type: BID-48096
Asterisk 'Contact' Header SIP Channel Driver Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
asterisk-parseurifull-dos(67812)

Source: XF
Type: UNKNOWN
asterisk-parseurifull-dos(67812)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:digium:asterisk:1.8.0:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.0:beta1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.0:beta2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.0:beta3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.0:beta4:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.0:beta5:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.0:rc3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.0:rc4:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.0:rc5:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.1:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.2:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.2.2:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.2.3:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.2.4:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.3:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.3:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.3:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.3:rc3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.3.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.3.2:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.3.3:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.4:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.4:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.4:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.4:rc3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.8.4.1:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:digium:asterisk:1.8.12:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20112216000
    V
    		CVE-2011-2216 on Ubuntu 12.04 LTS (precise) - medium.
    2011-06-06
    BACK
    digium asterisk 1.8.0
    digium asterisk 1.8.0 beta1
    digium asterisk 1.8.0 beta2
    digium asterisk 1.8.0 beta3
    digium asterisk 1.8.0 beta4
    digium asterisk 1.8.0 beta5
    digium asterisk 1.8.0 rc2
    digium asterisk 1.8.0 rc3
    digium asterisk 1.8.0 rc4
    digium asterisk 1.8.0 rc5
    digium asterisk 1.8.1
    digium asterisk 1.8.1 rc1
    digium asterisk 1.8.1.1
    digium asterisk 1.8.1.2
    digium asterisk 1.8.2
    digium asterisk 1.8.2.1
    digium asterisk 1.8.2.2
    digium asterisk 1.8.2.3
    digium asterisk 1.8.2.4
    digium asterisk 1.8.3
    digium asterisk 1.8.3 rc1
    digium asterisk 1.8.3 rc2
    digium asterisk 1.8.3 rc3
    digium asterisk 1.8.3.1
    digium asterisk 1.8.3.2
    digium asterisk 1.8.3.3
    digium asterisk 1.8.4
    digium asterisk 1.8.4 rc1
    digium asterisk 1.8.4 rc2
    digium asterisk 1.8.4 rc3
    digium asterisk 1.8.4.1
    digium asterisk 1.8.12