Arch Linux alert ASA-202007-3 (tcpreplay)

From:
             
 
Morten Linderud <foxboron@archlinux.org> 
To:
             
 
arch-security@archlinux.org 
Subject:
             
 
[ASA-202007-3] tcpreplay: information disclosure 
Date:
             
 
Fri, 31 Jul 2020 22:02:28 +0200
Message-ID:
             
 
<20200731200228.rzoj576cuyajwn54@anathema>
Arch Linux Security Advisory ASA-202007-3
=========================================

Severity: Medium
Date    : 2020-07-31
CVE-ID  : CVE-2020-12740
Package : tcpreplay
Type    : information disclosure
Remote  : No
Link    : https://security.archlinux.org/AVG-1154

Summary
=======

The package tcpreplay before version 4.3.3-1 is vulnerable to
information disclosure.

Resolution
==========

Upgrade to 4.3.3-1.

# pacman -Syu "tcpreplay>=4.3.3-1"

The problem has been fixed upstream in version 4.3.3.

Workaround
==========

None.

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

tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read
during a get_c operation. The issue is being triggered in the function
get_ipv6_next() at common/get.c.

Impact
======

A remote attacker is able to disclose information on the affected host
with a crafted pcap file.

References
==========

https://github.com/appneta/tcpreplay/issues/576
https://security.archlinux.org/CVE-2020-12740