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CVE-2016-4421

Published: 1 May 2016

epan/dissectors/packet-ber.c in the ASN.1 BER dissector in Wireshark 1.12.x before 1.12.10 and 2.x before 2.0.2 allows remote attackers to cause a denial of service (deep recursion, stack consumption, and application crash) via a packet that specifies deeply nested data.

Notes

AuthorNote
sbeattie
might not affect wireshark before 1.12.x

Priority

Low

Cvss 3 Severity Score

5.9

Score breakdown

Status

Package Release Status
wireshark
Launchpad, Ubuntu, Debian
artful Not vulnerable

bionic
Released (2.6.3-1~ubuntu18.04.1)
precise Ignored
(end of life)
trusty
Released (2.6.3-1~ubuntu14.04.1)
upstream
Released (2.0.2+ga16e22e-1)
wily Ignored
(end of life)
xenial
Released (2.6.3-1~ubuntu16.04.1)
yakkety Not vulnerable

zesty Not vulnerable

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H