Ubuntu Security Notice 3535-2 - USN-3535-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM. Jayachandran Palanisamy discovered that the Bind resolver incorrectly handled fetch cleanup sequencing. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. Various other issues were also addressed.
fc2e2628b67be6d63e94406b27aba206b799baf71520b2c5c09b6a0aad5fffa0
===========================================================================
Ubuntu Security Notice USN-3535-2
January 17, 2018
bind9 vulnerability
===========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Bind could be made to crash if it received specially crafted network
traffic.
Software Description:
- bind9: Internet Domain Name Server
Details:
USN-3535-1 fixed a vulnerability in Bind. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Jayachandran Palanisamy discovered that the Bind resolver incorrectly
handled fetch cleanup sequencing. A remote attacker could possibly use
this issue to cause Bind to crash, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
bind9=C2=A01:9.8.1.dfsg.P1-4ubuntu0.24
In general, a standard system update will make all the necessary
changes.
References:
https://www.ubuntu.com/usn/usn-3535-2
https://www.ubuntu.com/usn/usn-3535-1
CVE-2017-3145