USN-6390-1: Bind vulnerabilities
20 September 2023
Bind could be made to crash if it received specially crafted network traffic.
Releases
Packages
- bind9 - Internet Domain Name Server
Details
It was discovered that Bind incorrectly handled certain control channel
messages. A remote attacker with access to the control channel could
possibly use this issue to cause Bind to crash, resulting in a denial of
service. (CVE-2023-3341)
Robert Story discovered that Bind incorrectly handled certain DNS-over-TLS
queries. A remote attacker could possibly use this issue to cause Bind to
crash, resulting in a denial of service. This issue only affected Ubuntu
22.04 LTS, and Ubuntu 23.04. (CVE-2023-4236)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 23.04
Ubuntu 22.04
Ubuntu 20.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-6421-1: libdns100, bind9-host, lwresd, libbind9-160, libisccfg-export140, libisccc90, liblwres90, libbind-export-dev, libbind9-140, libisccfg90, liblwres160, host, libirs160, libisc-export169, libdns-export1100, libisc-export160, libirs-export160, libisccc140, bind9utils, libisccfg140, libisccfg160, libisccc-export160, libisccc160, libisccc-export140-udeb, libirs141, libisc169, dnsutils, libbind-dev, libisc95, libisccc-export140, libirs-export141, bind9-doc, libisc160, libdns1100, libdns162, bind9, libbind9-90, liblwres141, libisccfg-export160, libdns-export162