vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-19861): ldns vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | Jan 21, 2022 | Feb 1, 2022 | Nov 15, 2024 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Jan 21, 2022
Added
Feb 1, 2022
Modified
Nov 15, 2024
Description
When a zone file in ldns 1.7.1 is parsed, the function ldns_nsec3_salt_data is too trusted for the length value obtained from the zone file. When the memcpy is copied, the 0xfe - ldns_rdf_size(salt_rdf) byte data can be copied, causing heap overflow information leakage.
Solution(s)
ubuntu-pro-upgrade-libldns1ubuntu-pro-upgrade-libldns2ubuntu-pro-upgrade-libldns3
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