Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 515
Alerts This Week
Warning Icon 1 515

Debian LTS: DLA-1025-2 Critical Bind9 TSIG Regression Fix

debian lts
Calendar Grey July 25, 2017
Scroller Debian Lts
Address issue introduced by DLA-1025-1 within bind9 impacting TSIG signed TCP communications. Security update strongly advised.
The security update announced as DLA-1025-1 in bind9 introduced a regression
Topics%20covered

Topics Covered

security advisory critical debian bind9 regression TSIG

Summary

The fix for CVE-2017-3142 broke verification of TSIG signed TCP message
sequences where not all the messages contain TSIG records.
This is conform to the spec and may be used in AXFR and IXFR response.


For Debian 7 "Wheezy", these problems have been fixed in version
1:9.8.4.dfsg.P1-6+nmu2+deb7u18.

We recommend that you upgrade your bind9 packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS



Severity
critical
Lowest
Low
Medium
High
Critical

Package: bind9

Topics%20covered

Topics Covered

security advisory critical debian bind9 regression TSIG

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.