CVE-2017-1000381 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.securityfocus.com/bid/99148 https://c-ares.haxx.se/0616.patch https://c-ares.haxx.se/adv_20170620.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5