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Vulnerability of PowerDNS Recursor: overload via NXNSAttack On Recursive Resolvers

Synthesis of the vulnerability 

An attacker can trigger an overload via NXNSAttack On Recursive Resolvers of PowerDNS Recursor, in order to trigger a denial of service.
Vulnerable software: Debian, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this announce: 3/4.
Creation date: 22/05/2020.
Références of this computer vulnerability: CVE-2020-10995, DSA-4691-1, openSUSE-SU-2020:0698-1, VIGILANCE-VUL-32323.

Description of the vulnerability 

An attacker can trigger an overload via NXNSAttack On Recursive Resolvers of Pow...
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This computer threat bulletin impacts software or systems such as Debian, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

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

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

An attacker with a expert ability can exploit this computer vulnerability alert.

Solutions for this threat 

Workarounds for this vulnerability are not yet public.
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