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.

Threat-Mapped Scoring

Score: 1.9

Priority: P3 - Important (Medium)

• S9 – Sabotage of System/App
• S10 – Denial of Service (+0.1 bonus)

EPSS

Score: 0.00843
Percentile: 0.73798

CVSS Scoring

Mapped CWE(s)

• CWE-119 : Improper Restriction of Operations within the Bounds of a Memory Buffer

All CAPEC(s)

CAPEC(s) with Mapped TTPs

Mapped ATT&CK TTPs

Affected Products

• cpe:2.3:a:asterisk:asterisk:b.1.3.2:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.1.3.3:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.2.0:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.2.1:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.3.1:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.3.2:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.3.3:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.3.4:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.3.5:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.3.6:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.5.1:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.5.3:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.5.4:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.5.5:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.5.6:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.5.8:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:b.2.5.9:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.1.0_beta7:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.1.0_beta8:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.1.6:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.1.6.1:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.1.6.2:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.1.8.1:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.1.10.3:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.1.10.4:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.1.10.5:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.2.1.2.1:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.2.3:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.2.3.3:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.2.4.2:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:asterisk:c.3.1.0:*:business:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.0:beta1:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.0:beta2:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.2:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.3:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.4:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.5:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.6:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.7:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.7:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.7.1:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.8:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.8:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.9:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.9.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.9.1:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.10:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.10:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.11:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.11:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.12:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.12:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.12.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.12.1:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.13:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.13:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.14:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.14:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.15:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.15:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.16:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.16:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.17:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.17:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.18:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.18:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.19:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.19:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.20:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.20:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.21:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.21:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.21.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.21.1:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.22:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.22:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.23:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.23:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.24:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.24:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.25:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.25:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.26:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.26:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.26.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.26.1:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.26.2:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.26.2:netsec:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.27:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.28:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.29:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.30:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.30.2:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.30.3:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.30.4:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.31:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.32:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.33:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.2.34:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.0:beta2:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.0:beta3:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.0:beta4:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.6:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.7:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.8:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.9:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.10:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.10.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.11:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.12:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.12.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.13:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.14:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.15:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.16:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.16.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.16.2:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.17:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.18:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.18.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.19:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.19:rc-2:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.19:rc1:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.19:rc2:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.19:rc3:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.19:rc4:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.19.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.19.2:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.20:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.20:rc1:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.20:rc2:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.20:rc3:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.21:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.21:rc1:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.21:rc2:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.21.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.21.2:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.22:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.22:rc3:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.22:rc4:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.22.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.22.2:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.23:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.23:rc1:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.23:rc2:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4.23:rc3:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.4beta:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:beta1:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:beta2:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:beta3:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:beta4:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:beta5:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:beta7:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:beta7.1:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:beta8:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:beta9:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:rc4:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:rc5:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0:rc6:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.0.3:rc1:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.1.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.1.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:asterisk:open_source:1.6.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:opensource:1.4.23.2:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:opensource:1.4.24:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:opensource:1.4.24.1:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:opensource:1.4.26:*:*:*:*:*:*:*
• cpe:2.3:a:asterisk:opensource:1.4.26.1:*:*:*:*:*:*:*
• cpe:2.3:a:sangoma:asterisk:1.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:sangoma:asterisk:1.6.1.4:*:*:*:*:*:*:*
• cpe:2.3:h:asterisk:appliance_s800i:1.3:*:*:*:*:*:*:*
• cpe:2.3:h:asterisk:appliance_s800i:1.3.0.2:*:*:*:*:*:*:*

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