Information Exposure Affecting c-ares package, versions <1.12.0-r1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
3.31% (87th percentile)

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  • Snyk IDSNYK-ALPINE33-CARES-270503
  • published7 Jul 2017
  • disclosed7 Jul 2017

Introduced: 7 Jul 2017

CVE-2017-1000381  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Alpine:3.3 c-ares to version 1.12.0-r1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream c-ares package and not the c-ares package as distributed by Alpine. See How to fix? for Alpine:3.3 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1