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CVE-2017-1000381

Public on 2017-07-07
Modified on 2017-07-24
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.

Severity
Medium
See what this means
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 c-ares 2017-07-20 01:22 ALAS-2017-859

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N