{"id":"MGASA-2017-0033","summary":"Updated pdns packages fix security vulnerabilities","details":"Mathieu Lafon discovered that pdns does not properly validate records\nin zones. An authorized user can take advantage of this flaw to crash\nserver by inserting a specially crafted record in a zone under their\ncontrol and then sending a DNS query for that record (CVE-2016-2120).\n\nFlorian Heinz and Martin Kluge reported that pdns parses all records\npresent in a query regardless of whether they are needed or even\nlegitimate, allowing a remote, unauthenticated attacker to cause an\nabnormal CPU usage load on the pdns server, resulting in a partial\ndenial of service if the system becomes overloaded (CVE-2016-7068).\n\nMongo discovered that the webserver in pdns is susceptible to a\ndenial-of-service vulnerability. A remote, unauthenticated attacker to\ncause a denial of service by opening a large number of f TCP\nconnections to the web server (CVE-2016-7072).\n\nMongo discovered that pdns does not sufficiently validate TSIG\nsignatures, allowing an attacker in position of man-in-the-middle to\nalter the content of an AXFR (CVE-2016-7073, CVE-2016-7074).\n","modified":"2026-04-16T01:48:04.817325217Z","published":"2017-02-02T08:11:52Z","upstream":["CVE-2016-2120","CVE-2016-7068","CVE-2016-7072","CVE-2016-7073","CVE-2016-7074"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2017-0033.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=20126"},{"type":"WEB","url":"https://doc.powerdns.com/md/security/powerdns-advisory-2016-02/"},{"type":"WEB","url":"https://doc.powerdns.com/md/security/powerdns-advisory-2016-03/"},{"type":"WEB","url":"https://doc.powerdns.com/md/security/powerdns-advisory-2016-04/"},{"type":"WEB","url":"https://doc.powerdns.com/md/security/powerdns-advisory-2016-05/"},{"type":"WEB","url":"https://www.debian.org/security/2017/dsa-3764"}],"affected":[{"package":{"name":"pdns","ecosystem":"Mageia:5","purl":"pkg:rpm/mageia/pdns?arch=source&distro=mageia-5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.3-1.3.mga5"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2017-0033.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}