Red Hat Bugzilla – Bug 838761
ndjbdns vulnerable to cve-2012-1191 (ghost domain attack)
Last modified: 2013-02-01 12:20:03 EST
Description of problem: ndjbdns is vulnerable to CVE-2012-1191 (ghost domain attack)
Version-Release number of selected component (if applicable): all
How reproducible: https://www.isc.org/files/imce/ghostdomain_camera.pdf
Steps to Reproduce:
1. Cause the victim resolver to resolve and cache malicious domain before it is removed from the root.
2. Manipulate the victim resolver to continue to cache delegation data for the malicious domain after the original expiration time.
Actual results: Malicious removed domain still resolvable by victim resolver.
Expected results: Targeted resolver unable / refuses to resolve removed malicious domain.
I have applied the patch to fix this issue. Please have a look at:
ndjbdns-1.05.6-1.fc16 has been submitted as an update for Fedora 16.
ndjbdns-1.05.6-1.fc17 has been submitted as an update for Fedora 17.
ndjbdns-1.05.6-1.fc18 has been submitted as an update for Fedora 18.
* should fix your issue,
* was pushed to the Fedora 18 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing ndjbdns-1.05.6-1.fc18'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).
ndjbdns-1.05.6-1.fc16 has been pushed to the Fedora 16 stable repository. If problems still persist, please make note of it in this bug report.
ndjbdns-1.05.6-1.fc18 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report.
ndjbdns-1.05.6-1.fc17 has been pushed to the Fedora 17 stable repository. If problems still persist, please make note of it in this bug report.