CVE-2011-1175

Severity

50%

Complexity

99%

Confidentiality

48%

Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'

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 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P).

Overview

Type

Digium Asterisk

First reported 13 years ago

2011-03-31 22:55:00

Last updated 7 years ago

2017-08-17 01:33:00

Affected Software

Digium Asterisk 1.6.1

1.6.1

Digium Asterisk 1.6.1 beta1

1.6.1

Digium Asterisk 1.6.1 beta2

1.6.1

Digium Asterisk 1.6.1 beta3

1.6.1

Digium Asterisk 1.6.1 beta4

1.6.1

Digium Asterisk 1.6.1 release candidate 1

1.6.1

Digium Asterisk 1.6.1.0

1.6.1.0

Digium Asterisk 1.6.1.0 release candidate 2

1.6.1.0

Digium Asterisk 1.6.1.0 release candidate 3

1.6.1.0

Digium Asterisk 1.6.1.0 release candidate 4

1.6.1.0

Digium Asterisk 1.6.1.0 release candidate 5

1.6.1.0

Digium Asterisk 1.6.1.1

1.6.1.1

Digium Asterisk 1.6.1.2

1.6.1.2

Digium Asterisk 1.6.1.3 release candidate 1

1.6.1.3

Digium Asterisk 1.6.1.4

1.6.1.4

Digium Asterisk 1.6.1.5

1.6.1.5

Digium Asterisk 1.6.1.5 release candidate 1

1.6.1.5

Digium Asterisk 1.6.1.6

1.6.1.6

Digium Asterisk 1.6.1.7 release candidate 1

1.6.1.7

Digium Asterisk 1.6.1.7 release candidate 2

1.6.1.7

Digium Asterisk 1.6.1.8

1.6.1.8

Digium Asterisk 1.6.1.9

1.6.1.9

Digium Asterisk 1.6.1.10

1.6.1.10

Digium Asterisk 1.6.1.10 release candidate 1

1.6.1.10

Digium Asterisk 1.6.1.10 release candidate 2

1.6.1.10

Digium Asterisk 1.6.1.10 release candidate 3

1.6.1.10

Digium Asterisk 1.6.1.11

1.6.1.11

Digium Asterisk 1.6.1.12

1.6.1.12

Digium Asterisk 1.6.1.12 release candidate 1

1.6.1.12

Digium Asterisk 1.6.1.13

1.6.1.13

Digium Asterisk 1.6.1.13 release candidate 1

1.6.1.13

Digium Asterisk 1.6.1.14

1.6.1.14

Digium Asterisk 1.6.1.15 release candidate 2

1.6.1.15

Digium Asterisk 1.6.1.16

1.6.1.16

Digium Asterisk 1.6.1.17

1.6.1.17

Digium Asterisk 1.6.1.18

1.6.1.18

Digium Asterisk 1.6.1.18 release candidate 1

1.6.1.18

Digium Asterisk 1.6.1.18 release candidate 2

1.6.1.18

Digium Asterisk 1.6.1.19

1.6.1.19

Digium Asterisk 1.6.1.19 Release Candidate 1

1.6.1.19

Digium Asterisk 1.6.1.19 Release Candidate 2

1.6.1.19

Digium Asterisk 1.6.1.19 Release Candidate 3

1.6.1.19

Digium Asterisk 1.6.1.20

1.6.1.20

Digium Asterisk 1.6.1.20 Release Candidate 1

1.6.1.20

Digium Asterisk 1.6.1.20 Release Candidate 2

1.6.1.20

Digium Asterisk 1.6.1.21

1.6.1.21

Digium Asterisk 1.6.1.22

1.6.1.22

Digium Asterisk 1.6.2.0

1.6.2.0

Digium Asterisk 1.6.2.0 release candidate 2

1.6.2.0

Digium Asterisk 1.6.2.0 release candidate 3

1.6.2.0

Digium Asterisk 1.6.2.0 release candidate 4

1.6.2.0

Digium Asterisk 1.6.2.0 release candidate 5

1.6.2.0

Digium Asterisk 1.6.2.0 release candidate 6

1.6.2.0

Digium Asterisk 1.6.2.0 release candidate 7

1.6.2.0

Digium Asterisk 1.6.2.0 release candidate 8

1.6.2.0

Digium Asterisk 1.6.2.1

1.6.2.1

Digium Asterisk 1.6.2.1 release candidate 1

1.6.2.1

Digium Asterisk 1.6.2.2

1.6.2.2

Digium Asterisk 1.6.2.3 release candidate 2

1.6.2.3

Digium Asterisk 1.6.2.4

1.6.2.4

Digium Asterisk 1.6.2.5

1.6.2.5

Digium Asterisk 1.6.2.6

1.6.2.6

Digium Asterisk 1.6.2.6 release candidate 1

1.6.2.6

Digium Asterisk 1.6.2.6 release candidate 2

1.6.2.6

Digium Asterisk 1.6.2.15 Release Candidate 1

1.6.2.15

Digium Asterisk 1.6.2.16

1.6.2.16

Digium Asterisk 1.6.2.16 Release Candidate 1

1.6.2.16

Digium Asterisk 1.6.2.16.1

1.6.2.16.1

Digium Asterisk 1.6.2.17

1.6.2.17

Digium Asterisk 1.6.2.17 Release Candidate 1

1.6.2.17

Digium Asterisk 1.6.2.17 Release Candidate 2

1.6.2.17

Digium Asterisk 1.6.2.17 Release Candidate 3

1.6.2.17

Digium Asterisk 1.8.0

1.8.0

Digium Asterisk 1.8.0 Beta 1

1.8.0

Digium Asterisk 1.8.0 Beta 2

1.8.0

Digium Asterisk 1.8.0 Beta 3

1.8.0

Digium Asterisk 1.8.0 Beta 4

1.8.0

Digium Asterisk 1.8.0 Beta 5

1.8.0

Digium Asterisk 1.8.0 Release Candidate 2

1.8.0

Digium Asterisk 1.8.0 Release Candidate 3

1.8.0

Digium Asterisk 1.8.0 Release Candidate 4

1.8.0

Digium Asterisk 1.8.0 Release Candidate 5

1.8.0

Digium Asterisk 1.8.1

1.8.1

Digium Asterisk 1.8.1 Release Candidate 1

1.8.1

Digium Asterisk 1.8.1.1

1.8.1.1

Digium Asterisk 1.8.1.2

1.8.1.2

Digium Asterisk 1.8.2

1.8.2

Digium Asterisk 1.8.2.1

1.8.2.1

Digium Asterisk 1.8.2.2

1.8.2.2

Digium Asterisk 1.8.2.3

1.8.2.3

Digium Asterisk 1.8.3

1.8.3

Digium Asterisk 1.8.3 Release Candidate 1

1.8.3

Digium Asterisk 1.8.3 Release Candidate 2

1.8.3

Digium Asterisk 1.8.3 Release Candidate 3

1.8.3

References

http://downloads.asterisk.org/pub/security/AST-2011-004.html

Patch, Vendor Advisory

FEDORA-2011-3958

Patch

FEDORA-2011-3945

FEDORA-2011-3942

[oss-security] 20110317 CVE request for Asterisk flaws

[oss-security] 20110321 Re: CVE request for Asterisk flaws

Patch

1025224

DSA-2225

46898

ADV-2011-0686

Vendor Advisory

ADV-2011-0790

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=688678

asterisk-handletcptlsconnection-dos(66140)

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.