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Synthesis of the vulnerability 


An attacker can trigger a buffer overflow via iconv of FreeBSD, in order to trigger a denial of service, and possibly to run code.
Impacted software: SNS, FreeBSD, pfSense.
Severity of this computer vulnerability: 3/4.
Creation date: 03/07/2019.
Références of this announce: CVE-2019-5600, FreeBSD-SA-19:09.iconv, VIGILANCE-VUL-29674.

Description of the vulnerability 


An attacker can trigger a buffer overflow via iconv of FreeBSD, in order to trigger a denial of service, and possibly to run code.
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This security alert impacts software or systems such as SNS, FreeBSD, pfSense.

Our Vigil@nce team determined that the severity of this security weakness is important.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this security announce.

Solutions for this threat 


FreeBSD: patch for iconv.
A patch is available:

  https://security.FreeBSD.org/patches/SA-19:09/iconv.patch

pfSense: version 2.4.5.
The version 2.4.5 is fixed:
  https://www.netgate.com/solutions/pfsense/

Stormshield Network Security: versions 3.7.7 and 3.9.1.
Versions 3.7.7 and 3.9.1 are fixed:

  https://www.stormshield.eu/
Full bulletin, software filtering, emails, fixes, … (Request your free trial)

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