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Sid 1-21608

Message

PROTOCOL-VOIP Digium Asterisk IAX2 call number denial of service

Summary

The IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.1.6; Business Edition B.x.x before B.2.5.10, C.2.x before C.2.4.3, and C.3.x before C.3.1.1; and s800i 1.3.x before 1.3.0.3 allows remote attackers to cause a denial of service (call-number exhaustion) by initiating many IAX2 message exchanges, a related issue to CVE-2008-3263.

Impact

CVSS base score 7.8 CVSS impact score 6.9 CVSS exploitability score 10.0 confidentialityImpact NONE integrityImpact NONE availabilityImpact NONE

CVE-2009-2346:

CVSS base score 7.8

CVSS impact score 6.9

CVSS exploitability score 10.0

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Detailed information

CVE-2009-2346: The IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.1.6; Business Edition B.x.x before B.2.5.10, C.2.x before C.2.4.3, and C.3.x before C.3.1.1; and s800i 1.3.x before 1.3.0.3 allows remote attackers to cause a denial of service (call-number exhaustion) by initiating many IAX2 message exchanges, a related issue to CVE-2008-3263.

Affected systems

  • asterisk asterisk b.1.3.2
  • asterisk asterisk b.1.3.3
  • asterisk asterisk b.2.2.0
  • asterisk asterisk b.2.2.1
  • asterisk asterisk b.2.3.1
  • asterisk asterisk b.2.3.2
  • asterisk asterisk b.2.3.3
  • asterisk asterisk b.2.3.4
  • asterisk asterisk b.2.3.5
  • asterisk asterisk b.2.3.6
  • asterisk asterisk b.2.5.1
  • asterisk asterisk b.2.5.3
  • asterisk asterisk b.2.5.4
  • asterisk asterisk b.2.5.5
  • asterisk asterisk b.2.5.6
  • asterisk asterisk b.2.5.8
  • asterisk asterisk b.2.5.9
  • asterisk asterisk c.1.0_beta7
  • asterisk asterisk c.1.0_beta8
  • asterisk asterisk c.1.6
  • asterisk asterisk c.1.6.1
  • asterisk asterisk c.1.6.2
  • asterisk asterisk c.1.8.1
  • asterisk asterisk c.1.10.3
  • asterisk asterisk c.1.10.4
  • asterisk asterisk c.1.10.5
  • asterisk asterisk c.2.1.2.1
  • asterisk asterisk c.2.3
  • asterisk asterisk c.2.3.3
  • asterisk asterisk c.2.4.2
  • asterisk asterisk c.3.1.0
  • asterisk open_source 1.2.0
  • asterisk open_source 1.2.1
  • asterisk open_source 1.2.2
  • asterisk open_source 1.2.3
  • asterisk open_source 1.2.4
  • asterisk open_source 1.2.5
  • asterisk open_source 1.2.6
  • asterisk open_source 1.2.7
  • asterisk open_source 1.2.7.1
  • asterisk open_source 1.2.8
  • asterisk open_source 1.2.9
  • asterisk open_source 1.2.9.1
  • asterisk open_source 1.2.10
  • asterisk open_source 1.2.11
  • asterisk open_source 1.2.12
  • asterisk open_source 1.2.12.1
  • asterisk open_source 1.2.13
  • asterisk open_source 1.2.14
  • asterisk open_source 1.2.15
  • asterisk open_source 1.2.16
  • asterisk open_source 1.2.17
  • asterisk open_source 1.2.18
  • asterisk open_source 1.2.19
  • asterisk open_source 1.2.20
  • asterisk open_source 1.2.21
  • asterisk open_source 1.2.21.1
  • asterisk open_source 1.2.22
  • asterisk open_source 1.2.23
  • asterisk open_source 1.2.24
  • asterisk open_source 1.2.25
  • asterisk open_source 1.2.26
  • asterisk open_source 1.2.26.1
  • asterisk open_source 1.2.26.2
  • asterisk open_source 1.2.27
  • asterisk open_source 1.2.28
  • asterisk open_source 1.2.29
  • asterisk open_source 1.2.30
  • asterisk open_source 1.2.30.2
  • asterisk open_source 1.2.30.3
  • asterisk open_source 1.2.30.4
  • asterisk open_source 1.2.31
  • asterisk open_source 1.2.32
  • asterisk open_source 1.2.33
  • asterisk open_source 1.2.34
  • asterisk open_source 1.4.0
  • asterisk open_source 1.4.1
  • asterisk open_source 1.4.2
  • asterisk open_source 1.4.3
  • asterisk open_source 1.4.4
  • asterisk open_source 1.4.5
  • asterisk open_source 1.4.6
  • asterisk open_source 1.4.7
  • asterisk open_source 1.4.7.1
  • asterisk open_source 1.4.8
  • asterisk open_source 1.4.9
  • asterisk open_source 1.4.10
  • asterisk open_source 1.4.10.1
  • asterisk open_source 1.4.11
  • asterisk open_source 1.4.12
  • asterisk open_source 1.4.12.1
  • asterisk open_source 1.4.13
  • asterisk open_source 1.4.14
  • asterisk open_source 1.4.15
  • asterisk open_source 1.4.16
  • asterisk open_source 1.4.16.1
  • asterisk open_source 1.4.16.2
  • asterisk open_source 1.4.17
  • asterisk open_source 1.4.18
  • asterisk open_source 1.4.18.1
  • asterisk open_source 1.4.19
  • asterisk open_source 1.4.19.1
  • asterisk open_source 1.4.19.2
  • asterisk open_source 1.4.20
  • asterisk open_source 1.4.21
  • asterisk open_source 1.4.21.1
  • asterisk open_source 1.4.21.2
  • asterisk open_source 1.4.22
  • asterisk open_source 1.4.22.1
  • asterisk open_source 1.4.22.2
  • asterisk open_source 1.4.23
  • asterisk open_source 1.4beta
  • asterisk open_source 1.6.0
  • asterisk open_source 1.6.0.1
  • asterisk open_source 1.6.0.2
  • asterisk open_source 1.6.0.3
  • asterisk open_source 1.6.1
  • asterisk open_source 1.6.1.0
  • asterisk open_source 1.6.1.4
  • asterisk open_source 1.6.1.5
  • asterisk opensource 1.4.23.2
  • asterisk opensource 1.4.24
  • asterisk opensource 1.4.24.1
  • asterisk opensource 1.4.26
  • asterisk opensource 1.4.26.1
  • asterisk appliance_s800i 1.3
  • asterisk appliance_s800i 1.3.0.2

Ease of attack

CVE-2009-2346:

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

False positives

None known

False negatives

None known

Corrective action

Upgrade to the latest non-affected version of the software.

Apply the appropriate vendor supplied patches.

Contributors

  • Talos research team.
  • This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology.
  • For more information see nvd.

Additional References