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CVE-2019-25039

Public on 2021-04-27
Modified on 2021-07-01
Description

A flaw was found in unbound. An integer overflow in ub_packed_rrset_key function may lead to a buffer overflow of the allocated buffer if the size can be controlled by an attacker. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.

Severity
Medium
See what this means
CVSS v3 Base Score
9.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core unbound 2021-07-01 01:09 ALAS2-2021-1683

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Red Hat: CVE-2019-25039 Mitre: CVE-2019-25039 FAQs regarding Amazon Linux ALAS/CVE Severity