vulnerability
FreeBSD: VID-5B5CF6E5-5B51-11EB-95AC-7F9491278677 (CVE-2020-25681): dnsmasq -- DNS cache poisoning, and DNSSEC buffer overflow, vulnerabilities
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
8 | (AV:N/AC:M/Au:N/C:P/I:P/A:C) | 09/16/2020 | 01/21/2021 | 03/08/2021 |
Severity
8
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:C)
Published
09/16/2020
Added
01/21/2021
Modified
03/08/2021
Description
A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in the way RRSets are sorted before validating with DNSSEC data. An attacker on the network, who can forge DNS replies such as that they are accepted as valid, could use this flaw to cause a buffer overflow with arbitrary data in a heap memory segment, possibly executing code on the machine. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Solution(s)
freebsd-upgrade-package-dnsmasqfreebsd-upgrade-package-dnsmasq-devel
References

NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.