Vulnerability CVE-2017-1000381
Published: 2017-07-07

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.

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
C-ares project -> C-ares 

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