National Cyber Awareness System
Vulnerability Summary for CVE-2012-1033
Original release date:02/08/2012
Last revised:01/04/2013
Source:
US-CERT/NIST
Overview
The resolver in ISC BIND 9 through 9.8.1-P1 overwrites cached server names and TTL values in NS records during the processing of a response to an A record query, which allows remote attackers to trigger continued resolvability of revoked domain names via a "ghost domain names" attack.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification
Solution
Per: https://www.isc.org/software/bind/advisories/cve-2012-1033
'Solution:
On further review, ISC has determined that this is not an issue which needs an immediate patch. The issue is being reviewed at the protocol level and will be addressed there. Implementing DNSSEC is the safest mitigation measure.'}
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note: VU#542123
Name: VU#542123
External Source: CONFIRM
Name: https://www.isc.org/software/bind/advisories/cve-2012-1033
Type: Advisory
External Source: SUSE
Name: openSUSE-SU-2012:0864
External Source: SUSE
Name: openSUSE-SU-2012:0863
External Source: XF
Name: isc-bind-update-sec-bypass(73053)
External Source: SECTRACK
Name: 1026647
External Source: BID
Name: 51898
External Source: SECUNIA
Name: 47884
External Source: OSVDB
Name: 78916
External Source: HP
Name: HPSBUX02835
External Source: HP
Name: SSRT100763
