BIND Vulnerability in Zone Database Management by ISC
CVE-2018-5736

5.3MEDIUM

Key Information:

Vendor

Isc
Status
Bind
Vendor
CVE Published:
16 January 2019

What is CVE-2018-5736?

A vulnerability exists in ISC BIND due to a flaw in zone database reference counting. This issue can potentially lead to assertion failures if a vulnerable server executes multiple zone transfers in rapid succession. An attacker with permission can exploit this defect by prompting the server to initiate zone transfers, perhaps through valid NOTIFY messages. Successfully triggering this flaw may result in the named process crashing after a failed assertion test, creating risks for server stability and availability.

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References

http://www.securityfocus.com/bid/104386
vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1040941
vdb-entryx_refsource_SECTRACK
https://security.netapp.com/advisory/ntap-20180926-0004/
x_refsource_CONFIRM

EPSS Score

42% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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