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Category:   Application (Generic)  >   Citrix License Server Vendors:   Citrix
(Citrix Issues Advisory for Citrix License Server VPX) Glibc getaddrinfo() Stack Overflow Lets Remote or Local Users Execute Arbitrary Code
SecurityTracker Alert ID:  1035096
SecurityTracker URL:  http://securitytracker.com/id/1035096
CVE Reference:   CVE-2015-7547   (Links to External Site)
Date:  Feb 24 2016
Impact:   Execution of arbitrary code via local system, Execution of arbitrary code via network, User access via network
Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Glibc. A remote or local user can execute arbitrary code on the target system. Citrix License Server VPX 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:   Citrix plans to a fix for CVE-2015-7547 for Citrix License Server VPX.

The Citrix advisory is available at:

http://support.citrix.com/article/CTX206991

Vendor URL:  support.citrix.com/article/CTX206991 (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (2003), Windows (2008)

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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