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USN-627-1: Dnsmasq vulnerability

22 July 2008

Dnsmasq vulnerability

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Releases

Packages

Details

Dan Kaminsky discovered weaknesses in the DNS protocol as implemented
by Dnsmasq. A remote attacker could exploit this to spoof DNS entries
and poison DNS caches. Among other things, this could lead to
misdirected email and web traffic.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 8.04

After a standard system upgrade you need to restart Dnsmasq to effect
the necessary changes.

References

Related notices

  • USN-622-1: libdns22, libdns35, libdns32, bind9, libdns21