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: libisccfg163, libirs161, libirs-export141-udeb, bind9-host, libdns-export1102-udeb, libisc-export160-udeb, libisc1100, lwresd, libisc-export1100-udeb, libbind9-161, libirs-export161, libbind9-160, libdns-export1104, libisccfg-export140, libbind-export-dev, libbind9-140, libirs-export161-udeb, libdns1104, liblwres160, host, libirs160, libisccfg-export163-udeb, libisc-export169, libdns-export1100, libisc-export160, libisccfg-export140-udeb, libirs-export160, libdns-export162-udeb, libisccc140, bind9utils, libisc-export169-udeb, liblwres161, libdns-export1104-udeb, libirs-export160-udeb, libdns1102, libisc-export1100, libisccfg-export163, libisccfg140, libisccfg160, libisccc-export160, libisccc160, libdns-export1100-udeb, libisccc-export140-udeb, libisccfg-export160-udeb, libirs141, libisc169, dnsutils, libbind-dev, libdns-export1102, libisccc-export140, libirs-export141, libisccc-export161-udeb, bind9-doc, libisccc-export161, libisc160, libdns1100, libdns162, bind9, liblwres141, libisccfg-export160, libdns-export162, libisccc-export160-udeb, libisccc161