CVE-2020-19861

When a zone file in ldns 1.7.1 is parsed, the function ldnsnsec3saltdata is too trusted for the length value obtained from the zone file. When the memcpy is copied, the 0xfe - ldnsrdfsize(saltrdf) byte data can be copied, causing heap overflow information leakage.

References

Affected packages

Git / github.com/nlnetlabs/ldns

Affected ranges

Type

GIT

Repo

https://github.com/nlnetlabs/ldns

Events

Introduced

53bc57512c19b11eebc403a4cb2bbf7295eb0db1

Last affected

53bc57512c19b11eebc403a4cb2bbf7295eb0db1

Database specific

{
    "cpe": "cpe:2.3:a:nlnetlabs:ldns:1.7.1:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "1.7.1"
        },
        {
            "last_affected": "1.7.1"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

1.*

1.7.1

release-1.*

release-1.7.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-19861.json"