CVE-2017-3141

Public Exploit
Windows service and uninstall paths are not quoted when BIND is installed

Description

The BIND installer on Windows uses an unquoted service path which can enable a local user to achieve privilege escalation if the host file system permissions allow this. Affects BIND 9.2.6-P2->9.2.9, 9.3.2-P1->9.3.6, 9.4.0->9.8.8, 9.9.0->9.9.10, 9.10.0->9.10.5, 9.11.0->9.11.1, 9.9.3-S1->9.9.10-S1, 9.10.5-S1.

Remediation

Solution:

  • Upgrade to the patched release most closely related to your current version of BIND. These can all be downloaded from http://www.isc.org/downloads. BIND 9 version 9.9.10-P1 BIND 9 version 9.10.5-P1 BIND 9 version 9.11.1-P1 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. BIND 9 version 9.9.10-S2 BIND 9 version 9.10.5-S2

Workaround:

  • BIND installations on Windows are not at risk if the host file permissions prevent creation of a binary in a location where the service executor would run it instead of named.exe.

Category

7.2
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.55% Top 20%
Vendor Advisory gentoo.org Vendor Advisory isc.org
Affected: ISC BIND 9
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201708-01 third party advisory vendor advisory
https://kb.isc.org/docs/aa-01496 vendor advisory
http://www.securitytracker.com/id/1038693 vdb entry third party advisory
https://www.exploit-db.com/exploits/42121/ exploit vdb entry third party advisory
https://security.netapp.com/advisory/ntap-20180926-0001/ third party advisory
http://www.securityfocus.com/bid/99089 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-3141?
CVE-2017-3141 has been scored as a high severity vulnerability.
How to fix CVE-2017-3141?
To fix CVE-2017-3141: Upgrade to the patched release most closely related to your current version of BIND. These can all be downloaded from http://www.isc.org/downloads. BIND 9 version 9.9.10-P1 BIND 9 version 9.10.5-P1 BIND 9 version 9.11.1-P1 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. BIND 9 version 9.9.10-S2 BIND 9 version 9.10.5-S2
Is CVE-2017-3141 being actively exploited in the wild?
It is possible that CVE-2017-3141 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-3141?
CVE-2017-3141 affects ISC BIND 9.
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