Vulnerability Details CVE-2011-2529
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.034
EPSS Ranking 86.8%
CVSS Severity
CVSS v2 Score 5.0
Products affected by CVE-2011-2529
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cpe:2.3:a:digium:asterisk:1.6.0
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cpe:2.3:a:digium:asterisk:1.6.0.1
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cpe:2.3:a:digium:asterisk:1.6.0.10
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cpe:2.3:a:digium:asterisk:1.6.0.11
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cpe:2.3:a:digium:asterisk:1.6.0.12
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cpe:2.3:a:digium:asterisk:1.6.0.13
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cpe:2.3:a:digium:asterisk:1.6.0.14
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cpe:2.3:a:digium:asterisk:1.6.0.15
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cpe:2.3:a:digium:asterisk:1.6.0.16
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cpe:2.3:a:digium:asterisk:1.6.0.17
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cpe:2.3:a:digium:asterisk:1.6.0.18
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cpe:2.3:a:digium:asterisk:1.6.0.19
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cpe:2.3:a:digium:asterisk:1.6.0.2
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cpe:2.3:a:digium:asterisk:1.6.0.20
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cpe:2.3:a:digium:asterisk:1.6.0.21
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cpe:2.3:a:digium:asterisk:1.6.0.22
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cpe:2.3:a:digium:asterisk:1.6.0.23
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cpe:2.3:a:digium:asterisk:1.6.0.24
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cpe:2.3:a:digium:asterisk:1.6.0.25
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cpe:2.3:a:digium:asterisk:1.6.0.26
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cpe:2.3:a:digium:asterisk:1.6.0.3
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cpe:2.3:a:digium:asterisk:1.6.0.4
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cpe:2.3:a:digium:asterisk:1.6.0.5
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cpe:2.3:a:digium:asterisk:1.6.0.6
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cpe:2.3:a:digium:asterisk:1.6.0.7
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cpe:2.3:a:digium:asterisk:1.6.0.8
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cpe:2.3:a:digium:asterisk:1.6.0.9
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cpe:2.3:a:digium:asterisk:1.6.1
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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:1.6.1.22
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cpe:2.3:a:digium:asterisk:1.6.1.23
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cpe:2.3:a:digium:asterisk:1.6.1.24
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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:1.6.2.16.2
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cpe:2.3:a:digium:asterisk:1.6.2.17
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cpe:2.3:a:digium:asterisk:1.6.2.17.1
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cpe:2.3:a:digium:asterisk:1.6.2.17.2
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cpe:2.3:a:digium:asterisk:1.6.2.17.3
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cpe:2.3:a:digium:asterisk:1.6.2.18
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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:1.8.2.4
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cpe:2.3:a:digium:asterisk:1.8.3
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cpe:2.3:a:digium:asterisk:1.8.3.1
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cpe:2.3:a:digium:asterisk:1.8.3.2
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cpe:2.3:a:digium:asterisk:1.8.3.3
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cpe:2.3:a:digium:asterisk:1.8.4
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cpe:2.3:a:digium:asterisk:1.8.4.1
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cpe:2.3:a:digium:asterisk:1.8.4.2