Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2008-5558

Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching.

Published

2008-12-17T17:30:00.407

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-287
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application asterisk asterisk_business_edition b.2.3.4 Yes
Application asterisk asterisk_business_edition b.2.3.5 Yes
Application asterisk asterisk_business_edition b.2.5.0 Yes
Application asterisk asterisk_business_edition b.2.5.1 Yes
Application asterisk asterisk_business_edition b.2.5.3 Yes
Application asterisk open_source 1.2.26 Yes
Application asterisk open_source 1.2.26 Yes
Application asterisk open_source 1.2.26.1 Yes
Application asterisk open_source 1.2.26.1 Yes
Application asterisk open_source 1.2.26.2 Yes
Application asterisk open_source 1.2.26.2 Yes
Application asterisk open_source 1.2.27 Yes
Application asterisk open_source 1.2.28 Yes
Application asterisk open_source 1.2.29 Yes
Application asterisk open_source 1.2.30 Yes
Application asterisk open_source 1.2.30.2 Yes
Application asterisk open_source 1.2.30.3 Yes
References