Vulnerability CVE-2018-5737


Published: 2019-01-16

Description:
A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause undesirable behavior from named, such as a recursion loop or excessive logging. Deliberate exploitation of this condition could cause operational problems depending on the particular manifestation -- either degradation or denial of service. Affects BIND 9.12.0 and 9.12.1.

Type:

CWE-20

(Improper Input Validation)

Vendor: ISC
Product: BIND 
Version: 9.12.1; 9.12.0;
Vendor: Netapp
Product: Cloud backup 
Product: Data ontap edge 

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial

 References:
http://www.securityfocus.com/bid/104236
http://www.securitytracker.com/id/1040942
https://kb.isc.org/docs/aa-01606
https://security.netapp.com/advisory/ntap-20180926-0004/

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