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Category:   Application (Generic)  >   Glibc Vendors:   GNU [multiple authors]
Glibc if_nametoindex() Socket Descriptor State Error Lets Remote Users Consume Excessive Memory Resources
SecurityTracker Alert ID:  1042174
SecurityTracker URL:
CVE Reference:   CVE-2018-19591   (Links to External Site)
Date:  Nov 28 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.29
Description:   A vulnerability was reported in Glibc. A remote user can consume excessive memory on the target system.

A remote user can invoke a call to the getaddrinfo() function with a 'node' parameter that can trigger an invalid 'ifname' parameter to __if_nametoindex() in 'sysdeps/unix/sysv/linux/if_index.c' and consume excessive memory on the target system.

Guido Vranken reported this vulnerability.

Impact:   A remote user can consume excessive memory resources on the target system.
Solution:   The vendor has issued a fix, available at:

Vendor URL: (Links to External Site)
Cause:   Resource error
Underlying OS:  Linux (Any)

Message History:   None.

 Source Message Contents

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