CVE-2018-5734 : While handling a particular type of malformed packet BIND erroneously selects a

While handling a particular type of malformed packet BIND erroneously selects a SERVFAIL rcode instead of a FORMERR rcode. If the receiving view has the SERVFAIL cache feature enabled, this can trigger an assertion failure in badcache.c when the request doesn't contain all of the expected information. Affects BIND 9.10.5-S1 to 9.10.5-S4, 9.10.6-S1, 9.10.6-S2.

Published 2019-01-16 20:29:01

Updated 2019-10-09 23:41:33

Source Internet Systems Consortium (ISC)

View at NVD, CVE.org

Products affected by CVE-2018-5734

ISC » Bind » Version: 9.10.5 Update S1
cpe:2.3:a:isc:bind:9.10.5:s1:*:*:*:*:*:*
Matching versions
ISC » Bind » Version: 9.10.6 Update S1
cpe:2.3:a:isc:bind:9.10.6:s1:*:*:*:*:*:*
Matching versions
ISC » Bind » Version: 9.10.6 Update S2
cpe:2.3:a:isc:bind:9.10.6:s2:*:*:*:*:*:*
Matching versions
ISC » Bind » Version: 9.10.5 Update S4
cpe:2.3:a:isc:bind:9.10.5:s4:*:*:*:*:*:*
Matching versions
Netapp » Data Ontap Edge » Version: N/A
cpe:2.3:a:netapp:data_ontap_edge:-:*:*:*:*:*:*:*
Matching versions
Netapp » Solidfire Element Os Management Node » Version: N/A
cpe:2.3:a:netapp:solidfire_element_os_management_node:-:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2018-5734

Top countries where our scanners detected CVE-2018-5734

Top open port discovered on systems with this issue 53

IPs affected by CVE-2018-5734 381

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-5734!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-5734

EPSS FAQ

8.70%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 92 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-5734

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	Internet Systems Consortium (ISC)
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2018-5734

CWE-617 Reachable Assertion

The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-5734

https://kb.isc.org/docs/aa-01562

CVE-2018-5734: A malformed request can trigger an assertion failure in badcache.c - Security Advisories
Vendor Advisory
http://www.securityfocus.com/bid/103189

ISC BIND CVE-2018-5734 Remote Denial of Service Vulnerability
Third Party Advisory;VDB Entry
http://www.securitytracker.com/id/1040438

BIND Logic Flaw in 'badcache.c' Lets Remote Users Cause the Target Service to Crash - SecurityTracker
Third Party Advisory;VDB Entry
https://security.netapp.com/advisory/ntap-20180926-0005/

February 2018 ISC BIND Vulnerabilities in NetApp Products | NetApp Product Security
Third Party Advisory

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