SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   OS (Linux)  >   Ping Vendors:   kernel.org
Linux ping Use-After-Free Memory Error Lets Local Users Deny Service and Gain Elevated Privileges
SecurityTracker Alert ID:  1033186
SecurityTracker URL:  http://securitytracker.com/id/1033186
CVE Reference:   CVE-2015-3636   (Links to External Site)
Date:  Aug 6 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  
Version(s): prior to 4.0.3
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.

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:   The vendor has issued a fix (4.0.3).

The vendor's advisory is available at:

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.3

Vendor URL:  www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.3 (Links to External Site)
Cause:   Access control error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 6 2015 (Red Hat Issues Fix for Red Hat Enterprise MRG) Linux ping Use-After-Free Memory Error Lets Local Users Deny Service and Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise MRG.
Aug 6 2015 (Red Hat Issues Fix) Linux ping Use-After-Free Memory Error Lets Local Users Deny Service and Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Linux 7.
Aug 6 2015 (Oracle Issues Fix for Oracle Linux) Linux ping Use-After-Free Memory Error Lets Local Users Deny Service and Gain Elevated Privileges
Oracle has issued a fix for Oracle Linux 7.
Aug 6 2015 (CentOS Issues Fix) Linux ping Use-After-Free Memory Error Lets Local Users Deny Service and Gain Elevated Privileges
CentOS has issued a fix for CentOS Linux 7.
Aug 12 2015 (Red Hat Issues Fix) Linux ping Use-After-Free Memory Error Lets Local Users Deny Service and Gain Elevated Privileges
Red Hat has issued a fix for Red Hat Enterprise Linux 6.5.
Sep 11 2015 (Google Issues Fix for Google Android) Linux ping Use-After-Free Memory Error Lets Local Users Deny Service and Gain Elevated Privileges
Google has issued a fix for Google Android.



 Source Message Contents



[Original Message Not Available for Viewing]


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2019, SecurityGlobal.net LLC