DoS Attack Exploit in BIND 9
A specially crafted dynamic update message to a DNS zone for which the server is a master can raise havoc in BIND 9. An active remote exploit is already "in wide circulation."
All BIND 9 versions are affected, hence a recommended immediate update to 9.4.3-P3, 9.5.1-P3 or 9.6.1-P1. A number of Linux distros have already reacted with updated versions, among them Debian and Ubuntu.
A certain NSUPDATE from an unauthenticated attacker can bring the entire server down, creating a denial-of-service (DoS) condition. The security bulletin indicates that the vulnerability "affects all servers and is not limited to those that are configured to allow dynamic updates." The only mitigating condition is that the attack works only against DNS master servers for one or more zones and not against slave servers.
Downloads of the recommended BIND patches are available in the ISC security bulletin.
Issue 272/2023
Buy this issue as a PDF
Subscribe to our Linux Newsletters
Find Linux and Open Source Jobs
Subscribe to our ADMIN Newsletters
News
-
An All-Snap Version of Ubuntu is In The Works
Along with the standard deb version of the open-source operating system, Canonical will release an-all snap version.
-
Mageia 9 Beta 2 Ready for Testing
The latest beta of the popular Mageia distribution now includes the latest kernel and plenty of updated applications.
-
KDE Plasma 6 Looks to Bring Basic HDR Support
The KWin piece of KDE Plasma now has HDR support and color management geared for the 6.0 release.
-
Bodhi Linux 7.0 Beta Ready for Testing
The latest iteration of the Bohdi Linux distribution is now available for those who want to experience what's in store and for testing purposes.
-
Changes Coming to Ubuntu PPA Usage
The way you manage Personal Package Archives will be changing with the release of Ubuntu 23.10.
-
AlmaLinux 9.2 Now Available for Download
AlmaLinux has been released and provides a free alternative to upstream Red Hat Enterprise Linux.
-
An Immutable Version of Fedora Is Under Consideration
For anyone who's a fan of using immutable versions of Linux, the Fedora team is currently considering adding a new spin called Fedora Onyx.
-
New Release of Br OS Includes ChatGPT Integration
Br OS 23.04 is now available and is geared specifically toward web content creation.
-
Command-Line Only Peropesis 2.1 Available Now
The latest iteration of Peropesis has been released with plenty of updates and introduces new software development tools.
-
TUXEDO Computers Announces InfinityBook Pro 14
With the new generation of their popular InfinityBook Pro 14, TUXEDO upgrades its ultra-mobile, powerful business laptop with some impressive specs.