- Red Hat Enterprise Linux (RHEL) 6
- Red Hat Enterprise Linux (RHEL) 5
- Red Hat Enterprise Linux (RHEL) 4
- bind 9.x
- Which versions of bind packages in Red Hat Enterprise Linux (RHEL) are affected by the CVE 2012-5166?
- Is there a workaround?
According to ISC's KB https://kb.isc.org/article/AA-00801 the following versions are affected:
9.2.x -> 9.6.x, 9.4-ESV->9.4-ESV-R5-P1, 9.6-ESV->9.6-ESV-R7-P3, 9.7.0->9.7.6-P3, 9.8.0->9.8.3-P3, 9.9.0->9.9.1-P3
For Red Hat versions of BIND, the following errata have been released:
Red Hat Enterprise Linux 5 and 6:
Red Hat Enterprise Linux 5 BIND 9.7 (bind97 package):
Red Hat Enterprise Linux 4:
Please see the Red Hat Security CVE entry for more details:
- What is a workaround for the CVE?
According to advisory (ISC KB) section 'Workarounds:"
**Workarounds:** Setting the option 'minimal-responses' to 'yes' will prevent the lockup.
Accordigng to bind document:
**minimal-responses** If yes, then when generating responses the server will only add records to the au- thority and additional data sections when they are required (e.g. delegations, negative responses). This may improve the performance of the server. The default is no.
- According to ISC KB:
If specific combinations of RDATA are loaded into a nameserver, either via cache or an authoritative zone, a subsequent query for a related record will cause named to lock up.
- Red Hat Enterprise Linux
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