CVE-2019-10203: medium-severity vulnerability in Red Hat pdns
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.3epss 1.6%
In short
PowerDNS Authoritative daemon crashes when processing certain serial numbers during slave notifications, causing service disruption. An attacker can trigger this by crafting specific DNS zone serial values.
Technical detail
A malformed serial number between 2^31 and 2^32-1 in NOTIFY messages causes the pdns daemon to exit abnormally, resulting in denial of service. The attack requires ability to send NOTIFY packets to the authoritative server; affected versions are 4.0.x before 4.0.9 and 4.1.x before 4.1.11.
Summary generated and translated by AI from the official description.
PowerDNS Authoritative daemon , pdns versions 4.0.x before 4.0.9, 4.1.x before 4.1.11, exiting when encountering a serial between 2^31 and 2^32-1 while trying to notify a slave leads to DoS.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected products
Red Hat · pdns