vulnerability
Debian: CVE-2023-50868: Multiple Affected Packages
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | 2024-02-14 | 2024-02-23 | 2025-05-15 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
2024-02-14
Added
2024-02-23
Modified
2025-05-15
Description
The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped) allows remote attackers to cause a denial of service (CPU consumption for SHA-1 computations) via DNSSEC responses in a random subdomain attack, aka the "NSEC3" issue. The RFC 5155 specification implies that an algorithm must perform thousands of iterations of a hash function in certain situations.
Solution(s)
debian-upgrade-bind9debian-upgrade-dnsmasqdebian-upgrade-knot-resolverdebian-upgrade-pdns-recursordebian-upgrade-systemddebian-upgrade-unboundno-fix-debian-deb-package
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