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Search Parameters:
  • Results Type: Overview
  • Keyword (text search): cpe:2.3:a:c-ares_project:c-ares:*
  • Search Type: Search All
There are 5 matching records.
Displaying matches 1 through 5.
Vuln ID Summary CVSS Severity
CVE-2021-3672

A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.

Published: November 23, 2021; 2:15:07 PM -0500
V3.1: 5.6 MEDIUM
V2.0: 6.8 MEDIUM
CVE-2020-14354

A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.

Published: May 13, 2021; 10:15:17 AM -0400
V3.1: 3.3 LOW
V2.0: 2.1 LOW
CVE-2020-8277

A Node.js application that allows an attacker to trigger a DNS request for a host of their choice could trigger a Denial of Service in versions < 15.2.1, < 14.15.1, and < 12.19.1 by getting the application to resolve a DNS record with a larger number of responses. This is fixed in 15.2.1, 14.15.1, and 12.19.1.

Published: November 18, 2020; 8:15:12 PM -0500
V3.1: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2017-1000381

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.

Published: July 07, 2017; 1:29:00 PM -0400
V3.1: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2016-5180

Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.

Published: October 03, 2016; 11:59:03 AM -0400
V3.1: 9.8 CRITICAL
V2.0: 7.5 HIGH