bind9 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Bind.
Software Description
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04 LTS
bind9 - 1:9.16.1-0ubuntu2.1
Ubuntu 19.10
bind9 - 1:9.11.5.P4+dfsg-5.1ubuntu2.2
Ubuntu 18.04 LTS
bind9 - 1:9.11.3+dfsg-1ubuntu1.12
Ubuntu 16.04 LTS
bind9 - 1:9.10.3.dfsg.P4-8ubuntu1.16
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Continue reading...
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Several security issues were fixed in Bind.
Software Description
- bind9 - Internet Domain Name Server
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)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04 LTS
bind9 - 1:9.16.1-0ubuntu2.1
Ubuntu 19.10
bind9 - 1:9.11.5.P4+dfsg-5.1ubuntu2.2
Ubuntu 18.04 LTS
bind9 - 1:9.11.3+dfsg-1ubuntu1.12
Ubuntu 16.04 LTS
bind9 - 1:9.10.3.dfsg.P4-8ubuntu1.16
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Continue reading...
