[manjaro-security] [ASA-202004-10] wireshark-cli: arbitrary code execution

[Remi Gacogne]

Arch Linux Security Advisory ASA-202004-10
==========================================

Severity: Critical
Date    : 2020-04-09
CVE-ID  : CVE-2020-11647
Package : wireshark-cli
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1129

Summary
=======

The package wireshark-cli before version 3.2.3-1 is vulnerable to
arbitrary code execution.

Resolution
==========

Upgrade to 3.2.3-1.

# pacman -Syu "wireshark-cli>=3.2.3-1"

The problem has been fixed upstream in version 3.2.3.

Workaround
==========

None.

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

A stack overflow has been found in the fAbstractSyntaxNType function of
the BACApp dissector of Wireshark versions prior to 3.2.3, 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 might be able to execute arbitrary code or crash
wireshark via a crafted network packet or a capture file.

References
==========

https://www.wireshark.org/security/wnpa-sec-2020-07
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16474
https://security.archlinux.org/CVE-2020-11647

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