CVE-2018-7421: In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by…

PriorityP335high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

1.71%

75.0th percentile

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	wireshark	< wireshark 2.4.5-1 (bookworm)	wireshark 2.4.5-1 (bookworm)
wireshark	wireshark	>= 0 < 2.4.5-1	2.4.5-1
wireshark	wireshark	>= 0 < 2.4.5-1	2.4.5-1
wireshark	wireshark	>= 0 < 2.4.5-1	2.4.5-1
wireshark	wireshark	>= 0 < 2.4.5-1	2.4.5-1
wireshark	wireshark	2.2.0 – 2.2.12	—
wireshark	wireshark	2.4.0 – 2.4.4	—

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

osv7.5HIGH

vendor_debian7.5LOW

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