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Category:   Device (Storage)  >   QNAP Storage Devices Vendors:   QNAP Systems
(QNAP Systems Issues Fix for QNAP Storage Devices) Glibc getaddrinfo() Stack Overflow Lets Remote or Local Users Execute Arbitrary Code
SecurityTracker Alert ID:  1036125
SecurityTracker URL:  http://securitytracker.com/id/1036125
CVE Reference:   CVE-2015-7547   (Links to External Site)
Date:  Jun 17 2016
Impact:   Execution of arbitrary code via local system, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Glibc. A remote or local user can execute arbitrary code on the target system. QNAP Storage Devices is affected.

A remote or local user can send specially crafted data to trigger a stack overflow in the getaddrinfo() function in the glibc DNS client resolver code ('resolv/nss_dns') and execute arbitrary code on the target system. The code will run with the privileges of the target application using the glibc library.

Various applications may be affected, including ssh, sudo, and curl.

Additional information is available at:

https://googleonlinesecurity.blogspot.com/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html


Impact:   A remote or local user can execute arbitrary code on the target system.
Solution:   QNAP Systems has issued a fix for CVE-2015-7547 for QNAP Storage Devices (4.2.1 Build 20160601).

The QNAP Systems advisory is available at:

https://www.qnap.com/i/en/support/con_show.php?cid=93

Vendor URL:  www.qnap.com/i/en/support/con_show.php?cid=93 (Links to External Site)
Cause:   Boundary error

Message History:   This archive entry is a follow-up to the message listed below.
Feb 16 2016 Glibc getaddrinfo() Stack Overflow Lets Remote or Local Users Execute Arbitrary Code



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