Updated bind packages fix security vulnerability
Publication date: 15 Jun 2020Type: security
Affected Mageia releases : 7
CVE: CVE-2019-6477 , CVE-2020-8616 , CVE-2020-8617
Description
Updated bind packages fix security vulnerabilities: It was discovered that Bind incorrectly handled certain TCP-pipelined queries. A remote attacker could possibly use this issue to cause Bind to consume resources, resulting in a denial of service (CVE-2019-6477). Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Bind incorrectly limited certain fetches. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service, or possibly use Bind to perform a reflection attack (CVE-2020-8616). Tobias Klein discovered that Bind incorrectly handled checking TSIG validity. A remote attacker could use this issue to cause Bind to crash, resulting in a denial of service, or possibly perform other attacks (CVE-2020-8617).
References
- https://bugs.mageia.org/show_bug.cgi?id=25724
- https://kb.isc.org/docs/cve-2019-6477
- https://kb.isc.org/docs/cve-2020-8616
- https://kb.isc.org/docs/cve-2020-8617
- https://usn.ubuntu.com/4197-1/
- https://usn.ubuntu.com/4365-1/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6477
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8616
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8617
SRPMS
7/core
- bind-9.11.6-1.1.mga7