USN-3956-2: Bind vulnerability
9 May 2019
Bind could be made to consume resources if it received specially crafted network traffic.
Releases
Packages
- bind9 - Internet Domain Name Server
Details
USN-3956-1 fixed a vulnerability in Bind. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Bind incorrectly handled limiting the number of
simultaneous TCP clients. A remote attacker could possibly use this issue
to cause Bind to consume resources, leading to a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04
Ubuntu 12.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-3956-1: lwresd, libirs160, bind9-host, host, libdns-export1102, libirs141, libisccc-export140, libisccfg163, libdns1100, libisccc140, libisccfg-export140-udeb, libdns-export1104, libisccc160, libisccfg-export163, libirs-export161, bind9-doc, libisc-export1100, libisc1100, libdns-export1100, libirs-export160, libdns-export1102-udeb, libirs-export141, libisccfg-export160-udeb, libisccfg160, libdns162, libisccfg140, libdns-export1100-udeb, libisccc-export161, libisccc-export160, libbind9-161, libisc169, libisccfg-export140, bind9utils, libisc-export169, libdns-export162-udeb, libisccc-export160-udeb, libisc160, bind9, liblwres141, libisccfg-export160, libdns-export1104-udeb, libbind9-160, libirs-export141-udeb, libbind-export-dev, libisc-export160, libisc-export160-udeb, libisc-export169-udeb, libbind-dev, libdns-export162, libdns1102, libisccc-export161-udeb, libdns1104, libirs161, libisccc-export140-udeb, liblwres160, libisccc161, liblwres161, libisc-export1100-udeb, dnsutils, libirs-export160-udeb, libirs-export161-udeb, libisccfg-export163-udeb, libbind9-140