Denial of Service Vulnerability in Wireshark 2.0.x ASN.1 BER Dissector

CVE-2016-2522 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:N/A:P

The dissect_ber_constrained_bitstring function in epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 2.0.x before 2.0.2 does not verify that a certain length is nonzero, which allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted packet.

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