USN-6183-1: Bind vulnerabilities
21 June 2023
Several security issues were fixed in Bind.
- bind9 - Internet Domain Name Server
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.
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)
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.
- USN-6183-2: liblwres141, libisccc140, libisccfg90, host, libisccfg-export160, bind9utils, libbind-dev, libisc160, libirs-export141, libisccfg140, libbind-export-dev, libdns100, liblwres90, libisc169, libisccfg160, libdns1100, libisccc-export140-udeb, bind9-doc, libdns-export162, libdns-export1100, liblwres160, bind9-host, dnsutils, libisccc-export140, bind9, libirs141, libisc-export160, libisccc-export160, libisc-export169, libbind9-160, libisc95, libbind9-140, lwresd, libdns162, libirs160, libisccc160, libisccfg-export140, libisccc90, libbind9-90, libirs-export160