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CVE-2017-3144— Failure to properly clean up closed OMAPI connections can exhaust available sockets

Quick assessment

Affected
ISC ISC DHCP
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ISC DHCP是美国Internet Systems Consortium（ISC）公司的一套开源的动态主机配置协议服务器软件。 ISC DHCP 4.1.0版本至4.1-ESV-R15版本、4.2.0版本至4.2.8版本和4.3.0版本至4.3.6版本中存在远程拒绝服务漏洞，该漏洞源于程序没有正确地清除已关闭的OMAPI连接。远程攻击者可利用该漏洞造成拒绝服务（资源耗尽）。

AI Predicted 5.3 Difficulty: Easy EPSS 72.72% · P99

Possible ATT&CK Techniques 1 AI

T1027 · Obfuscated Files or Information
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I. Basic Information for CVE-2017-3144

Vulnerability Information
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Vulnerability Title
Failure to properly clean up closed OMAPI connections can exhaust available sockets
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond their end-of-life (EOL). Releases prior to 4.1.0 have not been tested.
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 DHCP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC DHCP是美国Internet Systems Consortium（ISC）公司的一套开源的动态主机配置协议服务器软件。 ISC DHCP 4.1.0版本至4.1-ESV-R15版本、4.2.0版本至4.2.8版本和4.3.0版本至4.3.6版本中存在远程拒绝服务漏洞，该漏洞源于程序没有正确地清除已关闭的OMAPI连接。远程攻击者可利用该漏洞造成拒绝服务（资源耗尽）。
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 ISC DHCP ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond their end-of-life (EOL). Releases prior to 4.1.0 have not been tested. -

II. Public POCs for CVE-2017-3144

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III. Intelligence Information for CVE-2017-3144

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Vendor Advisories for CVE-2017-3144 (5)

Other References for CVE-2017-3144 (1)

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-2018-5740 A flaw in the "deny-answer-aliases" feature can cause an assertion failure in named
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-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: ISC DHCP
Same vendor: ISC

V. Comments for CVE-2017-3144

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