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CVE-2018-5740— A flaw in the "deny-answer-aliases" feature can cause an assertion failure in named

Quick assessment

Affected
ISC BIND 9
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ISC BIND是美国ISC公司的一套实现了DNS协议的开源软件。 ISC BIND中存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。以下产品及版本受到影响：ISC BIND 9.7.0版本至9.8.8版本，9.9.0版本至9.9.13版本，9.10.0版本至9.10.8版本，9.11.0版本至9.11.4版本，9.12.0版本至9.12.2版本，9.13.0版本至9.13.2版本。

AI Predicted 5.3 Difficulty: Easy EPSS 59.62% · P99

Possible ATT&CK Techniques 2 AI

T1055 · Process Injection T1023
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I. Basic Information for CVE-2018-5740

Vulnerability Information
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Vulnerability Title
A flaw in the "deny-answer-aliases" feature can cause an assertion failure in named
Source: CVE Program / CVE List V5
Vulnerability Description
"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ISC BIND 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC BIND是美国ISC公司的一套实现了DNS协议的开源软件。 ISC BIND中存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。以下产品及版本受到影响：ISC BIND 9.7.0版本至9.8.8版本，9.9.0版本至9.9.13版本，9.10.0版本至9.10.8版本，9.11.0版本至9.11.4版本，9.12.0版本至9.12.2版本，9.13.0版本至9.13.2版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ISC BIND 9 BIND 9 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2 -

II. Public POCs for CVE-2018-5740

# POC Description Source Link Shenlong Link
1 None https://github.com/sischkg/cve-2018-5740 POC Details
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III. Intelligence Information for CVE-2018-5740

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Vendor Advisories for CVE-2018-5740 (8)

Mailing List Discussions for CVE-2018-5740 (4)

Other References for CVE-2018-5740 (2)

Same Patch Batch · ISC · 2019-01-16 · 18 CVEs total

CVE-2017-3143 An error in TSIG authentication can permit unauthorized dynamic updates
CVE-2018-5741 Update policies krb5-subdomain and ms-subdomain do not enforce controls promised in their
CVE-2018-5739 Failure to release memory may exhaust system resources
CVE-2018-5738 Some versions of BIND can improperly permit recursive query service to unauthorized client
CVE-2018-5737 BIND 9.12's serve-stale implementation can cause an assertion failure in rbtdb.c or other
CVE-2018-5734 A malformed request can trigger an assertion failure in badcache.c
CVE-2018-5733 A malicious client can overflow a reference counter in ISC dhcpd
CVE-2017-3145 Improper fetch cleanup sequencing in the resolver can cause named to crash
CVE-2017-3144 Failure to properly clean up closed OMAPI connections can exhaust available sockets
CVE-2016-9778 An error handling certain queries using the nxdomain-redirect feature could cause a REQUIR
CVE-2017-3142 An error in TSIG authentication can permit unauthorized zone transfers
CVE-2017-3141 Windows service and uninstall paths are not quoted when BIND is installed
CVE-2017-3140 An error processing RPZ rules can cause named to loop endlessly after handling a query
CVE-2017-3138 named exits with a REQUIRE assertion failure if it receives a null command string on its c
CVE-2017-3137 A response packet can cause a resolver to terminate when processing an answer containing a
CVE-2017-3136 An error handling synthesized records could cause an assertion failure when using DNS64 wi
CVE-2017-3135 Combination of DNS64 and RPZ Can Lead to Crash

IV. Related Vulnerabilities

Same product: BIND 9
Same vendor: ISC

V. Comments for CVE-2018-5740

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