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Category:   Device (VoIP/Phone/FAX)  >   Google Android Vendors:   Google
(Google Issues Fix for Google Android) Linux ping Use-After-Free Memory Error Lets Local Users Deny Service and Gain Elevated Privileges
SecurityTracker Alert ID:  1033545
SecurityTracker URL:  http://securitytracker.com/id/1033545
CVE Reference:   CVE-2015-3636   (Links to External Site)
Date:  Sep 11 2015
Impact:   Denial of service via local system, Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Linux ping. A local user can cause denial of service conditions on the target system. A local user can obtain elevated privileges on the target system. Google Android is affected.

A local user can make a SOCK_DGRAM socket system call for the IPPROTO_ICMP or IPPROTO_ICMPV6 protocols and then make a connect() system call after a disconnect to trigger a use-after-free in the ping_unhash() function to execute arbitrary code or cause the system to crash.

Impact:   A local user can cause the target system to crash.

A local user can obtain root privileges on the target system.

Solution:   Google has issued a fix for Google Android (Nexus Build 5.1.1 (LMY48M)).

A source code fix for Android Open Source is available at:

https://github.com/torvalds/linux/commit/a134f083e79f

This vulnerability is being actively exploited.

The Google advisory is available at:

https://groups.google.com/forum/#!topic/android-security-updates/1M7qbSvACjo

Vendor URL:  www.android.com/ (Links to External Site)
Cause:   Access control error

Message History:   This archive entry is a follow-up to the message listed below.
Aug 6 2015 Linux ping Use-After-Free Memory Error Lets Local Users Deny Service and Gain Elevated Privileges



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