Vulnerability Details CVE-2011-1147
Multiple stack-based and heap-based buffer overflows in the (1) decode_open_type and (2) udptl_rx_packet functions in main/udptl.c in Asterisk Open Source 1.4.x before 1.4.39.2, 1.6.1.x before 1.6.1.22, 1.6.2.x before 1.6.2.16.2, and 1.8 before 1.8.2.4; Business Edition C.x.x before C.3.6.3; AsteriskNOW 1.5; and s800i (Asterisk Appliance), when T.38 support is enabled, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UDPTL packet.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.028
EPSS Ranking 85.4%
CVSS Severity
CVSS v2 Score 6.8
Products affected by CVE-2011-1147
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cpe:2.3:a:digium:asterisk:1.4.0
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cpe:2.3:a:digium:asterisk:1.4.1
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cpe:2.3:a:digium:asterisk:1.4.10
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cpe:2.3:a:digium:asterisk:1.4.10.1
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cpe:2.3:a:digium:asterisk:1.4.11
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cpe:2.3:a:digium:asterisk:1.4.12
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cpe:2.3:a:digium:asterisk:1.4.12.1
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cpe:2.3:a:digium:asterisk:1.4.13
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cpe:2.3:a:digium:asterisk:1.4.14
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cpe:2.3:a:digium:asterisk:1.4.15
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cpe:2.3:a:digium:asterisk:1.4.16
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cpe:2.3:a:digium:asterisk:1.4.16.1
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cpe:2.3:a:digium:asterisk:1.4.16.2
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cpe:2.3:a:digium:asterisk:1.4.17
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cpe:2.3:a:digium:asterisk:1.4.18
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cpe:2.3:a:digium:asterisk:1.4.19
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cpe:2.3:a:digium:asterisk:1.4.19.1
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cpe:2.3:a:digium:asterisk:1.4.19.2
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cpe:2.3:a:digium:asterisk:1.4.2
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cpe:2.3:a:digium:asterisk:1.4.20
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cpe:2.3:a:digium:asterisk:1.4.20.1
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cpe:2.3:a:digium:asterisk:1.4.21
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cpe:2.3:a:digium:asterisk:1.4.21.1
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cpe:2.3:a:digium:asterisk:1.4.21.2
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cpe:2.3:a:digium:asterisk:1.4.22
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cpe:2.3:a:digium:asterisk:1.4.22.1
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cpe:2.3:a:digium:asterisk:1.4.22.2
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cpe:2.3:a:digium:asterisk:1.4.23
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cpe:2.3:a:digium:asterisk:1.4.23.1
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cpe:2.3:a:digium:asterisk:1.4.23.2
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cpe:2.3:a:digium:asterisk:1.4.24
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cpe:2.3:a:digium:asterisk:1.4.24.1
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cpe:2.3:a:digium:asterisk:1.4.25
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cpe:2.3:a:digium:asterisk:1.4.25.1
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cpe:2.3:a:digium:asterisk:1.4.26
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cpe:2.3:a:digium:asterisk:1.4.26.1
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cpe:2.3:a:digium:asterisk:1.4.26.2
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cpe:2.3:a:digium:asterisk:1.4.26.3
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cpe:2.3:a:digium:asterisk:1.4.27
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cpe:2.3:a:digium:asterisk:1.4.27.1
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cpe:2.3:a:digium:asterisk:1.4.28
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cpe:2.3:a:digium:asterisk:1.4.29
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cpe:2.3:a:digium:asterisk:1.4.29.1
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cpe:2.3:a:digium:asterisk:1.4.3
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cpe:2.3:a:digium:asterisk:1.4.30
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cpe:2.3:a:digium:asterisk:1.4.31
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cpe:2.3:a:digium:asterisk:1.4.32
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cpe:2.3:a:digium:asterisk:1.4.33
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cpe:2.3:a:digium:asterisk:1.4.33.1
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cpe:2.3:a:digium:asterisk:1.4.34
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cpe:2.3:a:digium:asterisk:1.4.35
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cpe:2.3:a:digium:asterisk:1.4.36
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cpe:2.3:a:digium:asterisk:1.4.37
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cpe:2.3:a:digium:asterisk:1.4.38
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cpe:2.3:a:digium:asterisk:1.4.39
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cpe:2.3:a:digium:asterisk:1.4.39.1
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cpe:2.3:a:digium:asterisk:1.6.1.0
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cpe:2.3:a:digium:asterisk:1.6.1.1
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cpe:2.3:a:digium:asterisk:1.6.1.10
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cpe:2.3:a:digium:asterisk:1.6.1.11
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cpe:2.3:a:digium:asterisk:1.6.1.12
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cpe:2.3:a:digium:asterisk:1.6.1.13
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cpe:2.3:a:digium:asterisk:1.6.1.14
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cpe:2.3:a:digium:asterisk:1.6.1.15
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cpe:2.3:a:digium:asterisk:1.6.1.16
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cpe:2.3:a:digium:asterisk:1.6.1.17
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cpe:2.3:a:digium:asterisk:1.6.1.18
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cpe:2.3:a:digium:asterisk:1.6.1.19
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cpe:2.3:a:digium:asterisk:1.6.1.2
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cpe:2.3:a:digium:asterisk:1.6.1.20
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cpe:2.3:a:digium:asterisk:1.6.1.21
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cpe:2.3:a:digium:asterisk:1.6.1.3
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cpe:2.3:a:digium:asterisk:1.6.1.4
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cpe:2.3:a:digium:asterisk:1.6.1.5
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cpe:2.3:a:digium:asterisk:1.6.1.6
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cpe:2.3:a:digium:asterisk:1.6.1.7
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cpe:2.3:a:digium:asterisk:1.6.1.8
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cpe:2.3:a:digium:asterisk:1.6.1.9
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cpe:2.3:a:digium:asterisk:1.6.2.0
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cpe:2.3:a:digium:asterisk:1.6.2.1
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cpe:2.3:a:digium:asterisk:1.6.2.15
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cpe:2.3:a:digium:asterisk:1.6.2.16
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cpe:2.3:a:digium:asterisk:1.6.2.16.1
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cpe:2.3:a:digium:asterisk:1.6.2.2
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cpe:2.3:a:digium:asterisk:1.6.2.3
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cpe:2.3:a:digium:asterisk:1.6.2.4
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cpe:2.3:a:digium:asterisk:1.6.2.5
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cpe:2.3:a:digium:asterisk:1.6.2.6
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cpe:2.3:a:digium:asterisk:1.8.0
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cpe:2.3:a:digium:asterisk:1.8.1
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cpe:2.3:a:digium:asterisk:1.8.1.1
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cpe:2.3:a:digium:asterisk:1.8.1.2
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cpe:2.3:a:digium:asterisk:1.8.2
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cpe:2.3:a:digium:asterisk:1.8.2.1
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cpe:2.3:a:digium:asterisk:1.8.2.2
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cpe:2.3:a:digium:asterisk:1.8.2.3
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cpe:2.3:a:digium:asterisk:c.1.0
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cpe:2.3:a:digium:asterisk:c.1.6
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cpe:2.3:a:digium:asterisk:c.1.6.1
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cpe:2.3:a:digium:asterisk:c.1.6.2
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cpe:2.3:a:digium:asterisk:c.1.8.0
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cpe:2.3:a:digium:asterisk:c.1.8.1
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cpe:2.3:a:digium:asterisk:c.2.3
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cpe:2.3:a:digium:asterisk:c.3.0
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cpe:2.3:a:digium:asterisk:c.3.1.0
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cpe:2.3:a:digium:asterisk:c.3.1.1
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cpe:2.3:a:digium:asterisk:c.3.2.2
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cpe:2.3:a:digium:asterisk:c.3.2.3
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cpe:2.3:a:digium:asterisk:c.3.3.2
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cpe:2.3:a:digium:asterisk:c.3.6.2
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cpe:2.3:a:digium:asterisknow:1.5
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