Vulnerability Details CVE-2013-5642
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.051
EPSS Ranking 89.3%
CVSS Severity
CVSS v2 Score 5.0
Products affected by CVE-2013-5642
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cpe:2.3:a:digium:asterisk:1.8.17.0
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cpe:2.3:a:digium:asterisk:1.8.18.0
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cpe:2.3:a:digium:asterisk:1.8.18.1
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cpe:2.3:a:digium:asterisk:1.8.19.0
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cpe:2.3:a:digium:asterisk:1.8.19.1
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cpe:2.3:a:digium:asterisk:1.8.20.0
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cpe:2.3:a:digium:asterisk:1.8.21.0
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cpe:2.3:a:digium:asterisk:1.8.22.0
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cpe:2.3:a:digium:asterisk:1.8.23.0
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cpe:2.3:a:digium:asterisk:10.10.0
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cpe:2.3:a:digium:asterisk:10.11.0
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cpe:2.3:a:digium:asterisk:10.12.0
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cpe:2.3:a:digium:asterisk:10.12.1
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cpe:2.3:a:digium:asterisk:10.12.2
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cpe:2.3:a:digium:asterisk:11.0.0
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cpe:2.3:a:digium:asterisk:11.0.1
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cpe:2.3:a:digium:asterisk:11.0.2
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cpe:2.3:a:digium:asterisk:11.1.0
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cpe:2.3:a:digium:asterisk:11.1.1
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cpe:2.3:a:digium:asterisk:11.1.2
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cpe:2.3:a:digium:asterisk:11.2.0
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cpe:2.3:a:digium:asterisk:11.3.0
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cpe:2.3:a:digium:asterisk:11.4.0
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cpe:2.3:a:digium:asterisk:11.5.0
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cpe:2.3:a:digium:asterisk:11.5.1
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cpe:2.3:a:digium:asterisk_digiumphones:10.0.0
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cpe:2.3:a:digium:asterisk_digiumphones:10.11.0
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cpe:2.3:a:digium:asterisk_digiumphones:10.12.0
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cpe:2.3:a:digium:asterisk_digiumphones:10.12.1
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cpe:2.3:a:digium:asterisk_digiumphones:10.12.2
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cpe:2.3:a:digium:certified_asterisk:1.8.15
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cpe:2.3:a:digium:certified_asterisk:11.2.0