USN-6183-1: Bind vulnerabilities
21 June 2023
Several security issues were fixed in Bind.
Releases
Packages
- bind9 - Internet Domain Name Server
Details
Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered
that Bind incorrectly handled the cache size limit. A remote attacker could
possibly use this issue to consume memory, leading to a denial of service.
(CVE-2023-2828)
It was discovered that Bind incorrectly handled the recursive-clients
quota. 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, Ubuntu 22.10, and Ubuntu 23.04. (CVE-2023-2911)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 23.04
Ubuntu 22.10
Ubuntu 22.04
Ubuntu 20.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-6183-2: libbind9-90, libirs141, libbind-dev, libisc-export169, libisccc-export140-udeb, libdns100, bind9-doc, libisccfg160, liblwres160, libisccc90, lwresd, libdns-export1100, libisccc160, libisccfg-export160, libirs-export160, libbind9-160, libirs-export141, libisccfg90, dnsutils, libdns-export162, host, libisc-export160, libisc160, libbind9-140, libisccc-export140, libisc169, libisccfg-export140, libisccfg140, bind9-host, libdns1100, libisccc-export160, libbind-export-dev, bind9, libdns162, libisccc140, bind9utils, liblwres141, libisc95, libirs160, liblwres90