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Wireshark BER Dissector Stack Consumption Vulnerability (Mac OS X)
Information
Severity
Severity
Medium
Family
Family
Buffer overflow
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
11 years ago
Modified
Modified
5 years ago
Summary
This host is installed with Wireshark and is prone to stack consumption vulnerability.
Insight
Insight
The flaw is due to stack consumption error in the 'dissect_ber_unknown()' function in 'epan/dissectors/packet-ber.c' in the BER dissector, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a long string in an unknown 'ASN.1/BER' encoded packet.
Affected Software
Affected Software
Wireshark version 1.4.x before 1.4.1 and 1.2.x before 1.2.12
Solution
Solution
Upgrade to Wireshark 1.4.1 or 1.2.12 or later.