Vulnerability Name:

CVE-2011-1175 (CCN-66140)

Assigned:2011-03-16
Published:2011-03-16
Updated:2017-08-17
Summary:tcptls.c in the TCP/TLS server in Asterisk Open Source 1.6.1.x before 1.6.1.23, 1.6.2.x before 1.6.2.17.1, and 1.8.x before 1.8.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by establishing many short TCP sessions to services that use a certain TLS API.
Per: http://cwe.mitre.org/data/definitions/476.html
'CWE-476: NULL Pointer Dereference'
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-Other
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2011-1175

Source: CCN
Type: AST-2011-004
Remote crash vulnerability in TCP/TLS server

Source: CONFIRM
Type: Patch, Vendor Advisory
http://downloads.asterisk.org/pub/security/AST-2011-004.html

Source: FEDORA
Type: Patch
FEDORA-2011-3958

Source: FEDORA
Type: UNKNOWN
FEDORA-2011-3945

Source: FEDORA
Type: UNKNOWN
FEDORA-2011-3942

Source: MLIST
Type: UNKNOWN
[oss-security] 20110317 CVE request for Asterisk flaws

Source: MLIST
Type: Patch
[oss-security] 20110321 Re: CVE request for Asterisk flaws

Source: CCN
Type: SA43722
Asterisk Two Denial of Service Vulnerabilities

Source: SECTRACK
Type: UNKNOWN
1025224

Source: DEBIAN
Type: UNKNOWN
DSA-2225

Source: DEBIAN
Type: DSA-2225
asterisk -- several vulnerabilities

Source: CCN
Type: OSVDB ID: 73406
Asterisk tcptls.c TLS API TCP Session Saturation NULL Dereference Remote DoS

Source: BID
Type: UNKNOWN
46898

Source: CCN
Type: BID-46898
Asterisk TCP/TLS Server NULL Pointer Dereference Denial Of Service Vulnerability

Source: VUPEN
Type: Vendor Advisory
ADV-2011-0686

Source: VUPEN
Type: Vendor Advisory
ADV-2011-0790

Source: CONFIRM
Type: UNKNOWN
https://bugzilla.redhat.com/show_bug.cgi?id=688678

Source: XF
Type: UNKNOWN
asterisk-handletcptlsconnection-dos(66140)

Source: XF
Type: UNKNOWN
asterisk-handletcptlsconnection-dos(66140)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:digium:asterisk:1.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1:beta1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1:beta2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1:beta3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1:beta4:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.0:rc3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.0:rc4:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.0:rc5:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.2:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.3:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.4:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.5:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.5:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.6:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.7:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.7:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.8:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.9:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.10:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.10:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.10:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.10:rc3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.11:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.12:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.12:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.13:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.13:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.14:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.15:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.16:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.17:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.18:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.18:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.18:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.19:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.19:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.19:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.19:rc3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.20:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.20:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.20:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.21:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.1.22:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:digium:asterisk:1.6.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.0:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.0:rc3:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.0:rc4:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.0:rc5:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.0:rc6:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.0:rc7:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.0:rc8:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.1:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.2:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.3:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.4:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.5:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.6:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.6:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.6:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.15:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.16:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.16:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.16.1:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.17:*:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.17:rc1:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.17:rc2:*:*:*:*:*:*
  • OR cpe:/a:digium:asterisk:1.6.2.17:rc3:*:*:*:*:*:*

    • Configuration 3:
  • 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:1.8.3:*:*:*:*:*:*:*
  • 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:*:*:*:*:*:*

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

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:12914
    P
    		DSA-2225-1 asterisk -- several
    2014-06-23
    BACK
    digium asterisk 1.6.1
    digium asterisk 1.6.1 beta1
    digium asterisk 1.6.1 beta2
    digium asterisk 1.6.1 beta3
    digium asterisk 1.6.1 beta4
    digium asterisk 1.6.1 rc1
    digium asterisk 1.6.1.0
    digium asterisk 1.6.1.0 rc2
    digium asterisk 1.6.1.0 rc3
    digium asterisk 1.6.1.0 rc4
    digium asterisk 1.6.1.0 rc5
    digium asterisk 1.6.1.1
    digium asterisk 1.6.1.2
    digium asterisk 1.6.1.3 rc1
    digium asterisk 1.6.1.4
    digium asterisk 1.6.1.5
    digium asterisk 1.6.1.5 rc1
    digium asterisk 1.6.1.6
    digium asterisk 1.6.1.7 rc1
    digium asterisk 1.6.1.7 rc2
    digium asterisk 1.6.1.8
    digium asterisk 1.6.1.9
    digium asterisk 1.6.1.10
    digium asterisk 1.6.1.10 rc1
    digium asterisk 1.6.1.10 rc2
    digium asterisk 1.6.1.10 rc3
    digium asterisk 1.6.1.11
    digium asterisk 1.6.1.12
    digium asterisk 1.6.1.12 rc1
    digium asterisk 1.6.1.13
    digium asterisk 1.6.1.13 rc1
    digium asterisk 1.6.1.14
    digium asterisk 1.6.1.15 rc2
    digium asterisk 1.6.1.16
    digium asterisk 1.6.1.17
    digium asterisk 1.6.1.18
    digium asterisk 1.6.1.18 rc1
    digium asterisk 1.6.1.18 rc2
    digium asterisk 1.6.1.19
    digium asterisk 1.6.1.19 rc1
    digium asterisk 1.6.1.19 rc2
    digium asterisk 1.6.1.19 rc3
    digium asterisk 1.6.1.20
    digium asterisk 1.6.1.20 rc1
    digium asterisk 1.6.1.20 rc2
    digium asterisk 1.6.1.21
    digium asterisk 1.6.1.22
    digium asterisk 1.6.2.0
    digium asterisk 1.6.2.0 rc2
    digium asterisk 1.6.2.0 rc3
    digium asterisk 1.6.2.0 rc4
    digium asterisk 1.6.2.0 rc5
    digium asterisk 1.6.2.0 rc6
    digium asterisk 1.6.2.0 rc7
    digium asterisk 1.6.2.0 rc8
    digium asterisk 1.6.2.1
    digium asterisk 1.6.2.1 rc1
    digium asterisk 1.6.2.2
    digium asterisk 1.6.2.3 rc2
    digium asterisk 1.6.2.4
    digium asterisk 1.6.2.5
    digium asterisk 1.6.2.6
    digium asterisk 1.6.2.6 rc1
    digium asterisk 1.6.2.6 rc2
    digium asterisk 1.6.2.15 rc1
    digium asterisk 1.6.2.16
    digium asterisk 1.6.2.16 rc1
    digium asterisk 1.6.2.16.1
    digium asterisk 1.6.2.17
    digium asterisk 1.6.2.17 rc1
    digium asterisk 1.6.2.17 rc2
    digium asterisk 1.6.2.17 rc3
    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 1.8.3
    digium asterisk 1.8.3 rc1
    digium asterisk 1.8.3 rc2
    digium asterisk 1.8.3 rc3
    digium asterisk 1.8.12