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CVE-2017-17935

Published: 27 December 2017

The File_read_line function in epan/wslua/wslua_file.c in Wireshark through 2.2.11 does not properly strip '\n' characters, which allows remote attackers to cause a denial of service (buffer underflow and application crash) via a crafted packet that triggers the attempted processing of an empty line.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
wireshark
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic
Released (2.6.3-1~ubuntu18.04.1)
trusty
Released (2.6.3-1~ubuntu14.04.1)
upstream Needs triage

xenial
Released (2.6.3-1~ubuntu16.04.1)
zesty Ignored
(end of life)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H