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Vulnerability of PowerDNS Recursor: spoofing via DNSSEC Signatures Bypass

Synthesis of the vulnerability 

An attacker can create spoofed data via DNSSEC Signatures Bypass of PowerDNS Recursor, in order to deceive the victim.
Vulnerable products: Debian, Fedora, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this weakness: 2/4.
Creation date: 22/05/2020.
Références of this bulletin: CVE-2020-12244, DSA-4691-1, FEDORA-2020-c0ff3df740, FEDORA-2020-d9abb0c06d, openSUSE-SU-2020:0698-1, VIGILANCE-VUL-32322.

Description of the vulnerability 

An attacker can create spoofed data via DNSSEC Signatures Bypass of PowerDNS Recursor, in order to deceive the victim.
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This security announce impacts software or systems such as Debian, Fedora, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

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

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

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

Solutions for this threat 

Debian 10: new pdns-recursor packages.
New packages are available:
  Debian 10: pdns-recursor 4.1.11-1+deb10u1

Fedora 31-32: new pdns-recursor packages.
New packages are available:
  Fedora 31: pdns-recursor 4.2.2-1.fc31
  Fedora 32: pdns-recursor 4.3.1-1.fc32

openSUSE Leap 15.1, SUSE LE 12: new pdns-recursor packages.
New packages are available:
  openSUSE Leap 15.1: pdns-recursor 4.1.12-lp151.3.3.1
  SUSE LE 15 SP1: pdns-recursor 4.1.12-bp151.4.3.1
  SUSE LE 12 RTM-SP5: pdns-recursor 4.1.16-19.1
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