Arch Linux Security Advisory ASA-201901-5
=========================================

Severity: Medium
Date    : 2019-01-10
CVE-ID  : CVE-2019-5716 CVE-2019-5717 CVE-2019-5718 CVE-2019-5719
Package : wireshark-cli
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-844

Summary
=======

The package wireshark-cli before version 2.6.6-1 is vulnerable to
multiple issues including information disclosure and denial of service.

Resolution
==========

Upgrade to 2.6.6-1.

# pacman -Syu "wireshark-cli>=2.6.6-1"

The problems have been fixed upstream in version 2.6.6.

Workaround
==========

None.

Description
===========

- CVE-2019-5716 (denial of service)

An assertion failure has been found in the 6LoWPAN dissector of
Wireshark versions prior to 2.6.6, which could be triggered by
injecting a malformed packet onto the wire or by convincing someone to
read a malformed packet trace file.

- CVE-2019-5717 (denial of service)

A NULL-pointer dereference has been found in the P_MUL dissector of
Wireshark versions prior to 2.6.6, which could be triggered by
injecting a malformed packet onto the wire or by convincing someone to
read a malformed packet trace file.

- CVE-2019-5718 (information disclosure)

An out-of-bounds read has been found in the RTSE dissector of Wireshark
versions prior to 2.6.6, which could be triggered by injecting a
malformed packet onto the wire or by convincing someone to read a
malformed packet trace file.

- CVE-2019-5719 (denial of service)

A NULL-pointer dereference has been found in the ISAKMP dissector of
Wireshark versions prior to 2.6.6, which could be triggered by
injecting a malformed packet onto the wire or by convincing someone to
read a malformed packet trace file.

Impact
======

A remote attacker can crash wireshark or access sensitive information
via a crafted PCAP file or network packet.

References
==========

https://www.wireshark.org/docs/relnotes/wireshark-2.6.6.html
https://www.wireshark.org/security/wnpa-sec-2019-01
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15217
https://code.wireshark.org/review/#/c/31311/
https://www.wireshark.org/security/wnpa-sec-2019-02
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15337
https://code.wireshark.org/review/#/c/30986/
https://www.wireshark.org/security/wnpa-sec-2019-03
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15373
https://code.wireshark.org/review/#/c/31439/
https://www.wireshark.org/security/wnpa-sec-2019-04
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15374
https://code.wireshark.org/review/#/c/31219/
https://security.archlinux.org/CVE-2019-5716
https://security.archlinux.org/CVE-2019-5717
https://security.archlinux.org/CVE-2019-5718
https://security.archlinux.org/CVE-2019-5719