CVE-2015-8738

Publication date 4 January 2016

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
wireshark 18.04 LTS bionic
Fixed 2.6.3-1~ubuntu18.04.1
17.10 artful Ignored end of life
17.04 zesty Ignored end of life
16.10 yakkety Ignored end of life
16.04 LTS xenial
Fixed 2.6.3-1~ubuntu16.04.1
15.10 wily Ignored end of life
15.04 vivid Ignored end of life
14.04 LTS trusty
Fixed 2.6.3-1~ubuntu14.04.1
12.04 LTS precise Ignored end of life

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H