CVE-2020-12244

Katalog CVE

CVSS 7.5 · High EPSS 2,4%

Kerentanan Improper Verification of Cryptographic Signature pada powerdns recursor, fedoraproject fedora +3 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation.

Rincian

Terbit di NVD

19 Mei 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

2,4% peluang dieksploitasi; lebih tinggi dari 83,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html advisory vendor
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html mailing list · advisory pihak ketiga
• http://www.openwall.com/lists/oss-security/2020/05/19/3 mailing list · advisory pihak ketiga
• https://www.debian.org/security/2020/dsa-4691 advisory pihak ketiga
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMP72NJGKBWR5...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PS4ZN5XGENYNF...