CVE-2017-1000381

Description

The c-ares function `ares_parse_naptr_reply()`, which is used for parsing NAPTR responses, could be triggered to read memory outside of the given input buffer if the passed in DNS response packet was crafted in a particular way.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.78% Top 30%
Vendor Advisory haxx.se Vendor Advisory haxx.se
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://c-ares.haxx.se/0616.patch vendor advisory mailing list
http://www.securityfocus.com/bid/99148 third party advisory vdb entry
https://c-ares.haxx.se/adv_20170620.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-1000381?
CVE-2017-1000381 has been scored as a high severity vulnerability.
How to fix CVE-2017-1000381?
To fix CVE-2017-1000381, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-1000381 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-1000381 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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