CVE-2020-12244

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.

References

Affected packages

Git / github.com/powerdns/pdns

Affected ranges

Type

GIT

Repo

https://github.com/powerdns/pdns

Events

Introduced

80da1b4773cbdad76755b01c70739059d6f607af

Last affected

f8e019026f5a1eff4b56a90a39c4acac95ae9dc4

Database specific

{
    "versions": [
        {
            "introduced": "4.1.0"
        },
        {
            "last_affected": "4.3.0"
        }
    ]
}

Affected versions

auth-4.*

auth-4.2.0-alpha1

auth-4.2.0-beta1

auth-4.2.0-rc1

auth-4.2.0-rc2

auth-4.3.0-alpha1

dnsdist-1.*

dnsdist-1.3.0

dnsdist-1.3.1

dnsdist-1.3.2

dnsdist-1.3.3

dnsdist-1.4.0

dnsdist-1.4.0-alpha1

dnsdist-1.4.0-alpha2

dnsdist-1.4.0-beta1

dnsdist-1.4.0-rc1

dnsdist-1.4.0-rc2

dnsdist-1.4.0-rc3

dnsdist-1.4.0-rc4

dnsdist-1.4.0-rc5

rec-4.*

rec-4.1.0

rec-4.2.0-alpha1

rec-4.2.0-beta1

rec-4.2.0-rc1

rec-4.3.0

rec-4.3.0-alpha1

rec-4.3.0-alpha2

rec-4.3.0-alpha3

rec-4.3.0-beta1

rec-4.3.0-beta2

rec-4.3.0-rc1

rec-4.3.0-rc2

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12244.json"

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "31"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "32"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "15.0-sp1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "15.1"
            }
        ]
    }
]