tcpdump 'EXTRACT_16BITS()' Function Denial of Service Vulnerability

Bugtraq ID:	99938
Class:	Boundary Condition Error
CVE:	CVE-2017-11108
Remote:	Yes
Local:	No
Published:	Jul 08 2017 12:00AM
Updated:	Jul 08 2017 12:00AM
Credit:	owl337
Vulnerable:	tcpdump tcpdump 4.9 Redhat Enterprise Linux 7 Redhat Enterprise Linux 6 + Trustix Secure Enterprise Linux 2.0 + Trustix Secure Linux 2.2 + Trustix Secure Linux 2.1 + Trustix Secure Linux 2.0 Redhat Enterprise Linux 5
Not Vulnerable:	tcpdump tcpdump 4.9.1

tcpdump 'EXTRACT_16BITS()' Function Denial of Service Vulnerability

tcpdump is prone to a remote denial-of-service vulnerability.

An attacker can exploit this issue to cause denial-of-service condition. Due to the nature of this issue, code execution may be possible but this has not been confirmed.

tcpdump 4.9.0 is vulnerable; other versions may also be vulnerable.

tcpdump 'EXTRACT_16BITS()' Function Denial of Service Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

tcpdump 'EXTRACT_16BITS()' Function Denial of Service Vulnerability

References:

• Bug 1468504 - There is a heap buffer overflow tcpdump. A crafted input will lead (Red Hat)
  
• Bug 1472878 - (CVE-2017-11108) CVE-2017-11108 tcpdump: Heap buffer overflow in t (Red Hat Bugzilla)
  
• CVE-2017-11108 (Red Hat)
  
• tcpdump/libpcap Homepage (LBL)