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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

10 years ago

Modified

Modified

3 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.

Common Vulnerabilities and Exposures (CVE)