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medium5.0

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…

Impact

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.

Affected products

VendorProductAffected versions
DigiumAsterisk
Versions 1.8.17.0, 1.8.18.0, 1.8.18.1, 1.8.19.0, 1.8.19.1, 1.8.20.0
DigiumAsterisk Digiumphones
Versions 10.0.0, 10.11.0, 10.12.0, 10.12.1, 10.12.2
DigiumCertified Asterisk
Versions 1.8.15, 11.2.0

Weakness classification

CWE-20

References