ASA-201707-21 log generated external raw
[ASA-201707-21] c-ares: information disclosure |
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Arch Linux Security Advisory ASA-201707-21
==========================================
Severity: Medium
Date : 2017-07-18
CVE-ID : CVE-2017-1000381
Package : c-ares
Type : information disclosure
Remote : Yes
Link : https://security.archlinux.org/AVG-315
Summary
=======
The package c-ares before version 1.13.0-1 is vulnerable to information
disclosure.
Resolution
==========
Upgrade to 1.13.0-1.
# pacman -Syu "c-ares>=1.13.0-1"
The problem has been fixed upstream in version 1.13.0.
Workaround
==========
None.
Description
===========
A out-of-bounds read has been found in c-ares < 1.13.0. The
ares_parse_naptr_reply() function, 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.
Impact
======
A remote attacker might be able to access sensitive information by
responding to a DNS query with a crafted response packet.
References
==========
https://c-ares.haxx.se/adv_20170620.html
https://security.archlinux.org/CVE-2017-1000381
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