CVE-2017-12865

Name: CVE-2017-12865
Creator: NVD / NIST
Published: 2017-08-29T16:29:00.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 5.52%

Last modified Jun 17, 2026

CVE-2017-12865 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Stack-based buffer overflow in "dnsproxy.c" in connman 1.34 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted response query string passed to the "name" variable.. EPSS estimates a 5.52% chance of exploitation in the next 30 days.

Description

Stack-based buffer overflow in "dnsproxy.c" in connman 1.34 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a crafted response query string passed to the "name" variable.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

5.52%

91.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Intel	Connman	<= 1.34
Debian	Debian Linux	8.0

References

http://www.debian.org/security/2017/dsa-3956Third Party Advisory
http://www.securityfocus.com/bid/100498Third Party Advisory, VDB Entry
https://01.org/security/intel-oss-10001/intel-oss-10001Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1483720Issue Tracking, Patch, Third Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=5c281d182ecdd0a424b64f7698f32467f8f67b71Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201812-02Third Party Advisory
https://www.nri-secure.com/blog/new-iot-vulnerability-connmandoThird Party Advisory
http://www.debian.org/security/2017/dsa-3956Third Party Advisory
http://www.securityfocus.com/bid/100498Third Party Advisory, VDB Entry
https://01.org/security/intel-oss-10001/intel-oss-10001Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1483720Issue Tracking, Patch, Third Party Advisory
https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=5c281d182ecdd0a424b64f7698f32467f8f67b71Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201812-02Third Party Advisory
https://www.nri-secure.com/blog/new-iot-vulnerability-connmandoThird Party Advisory

Timeline

Published: Aug 29, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12865?

How severe is CVE-2017-12865?

CVE-2017-12865 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.52% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12865?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-12865?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST