CVE-2015-8738: The s7comm_decode_ud_cpu_szl_subfunc function in epan/dissectors/packet-s7comm_szl_ids.c in the S7COMM dissector in Wireshark 2.0.x before 2.0.1 does not…

PriorityP418medium5.5CVSS 3.0

AVLACLPRNUIRSUCNINAH

EPSS

1.41%

69.9th percentile

The s7comm_decode_ud_cpu_szl_subfunc function in epan/dissectors/packet-s7comm_szl_ids.c in the S7COMM dissector in Wireshark 2.0.x before 2.0.1 does not validate the list count in an SZL response, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted packet.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	wireshark	< wireshark 2.0.1+g59ea380-1 (bookworm)	wireshark 2.0.1+g59ea380-1 (bookworm)
wireshark	wireshark	—	—
wireshark	wireshark	>= 0 < 2.0.1+g59ea380-1	2.0.1+g59ea380-1
wireshark	wireshark	>= 0 < 2.0.1+g59ea380-1	2.0.1+g59ea380-1
wireshark	wireshark	>= 0 < 2.0.1+g59ea380-1	2.0.1+g59ea380-1
wireshark	wireshark	>= 0 < 2.0.1+g59ea380-1	2.0.1+g59ea380-1

CVSS provenance

nvdv3.05.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

osv5.5MEDIUM

vendor_debian5.5MEDIUM

vendor_redhat5.5MEDIUM

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