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Vulnerability of FreeBSD: buffer overflow via libalias

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via libalias of FreeBSD, in order to trigger a denial of service, and possibly to run code.
Impacted products: FreeBSD.
Severity of this bulletin: 2/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 13/05/2020.
Références of this threat: CVE-2020-7454, CVE-2020-7455, FreeBSD-SA-20:12.libalias, FreeBSD-SA-20:13.libalias, VIGILANCE-VUL-32253, ZDI-20-659, ZDI-20-660, ZDI-20-661.

Description of the vulnerability 

An attacker can trigger a buffer overflow via libalias of FreeBSD, in order to t...
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This computer vulnerability bulletin impacts software or systems such as FreeBSD.

Our Vigil@nce team determined that the severity of this vulnerability bulletin is medium.

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

This bulletin is about 2 vulnerabilities.

An attacker with a expert ability can exploit this threat note.

Solutions for this threat 

This vulnerability fix will be public soon.
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