Multiple Integer underflows in the geonet_print function in tcpdump 4.5.0 through 4.6.2, when in verbose mode, allow remote attackers to cause a denial of service (segmentation fault and crash) via a crafted length value in a Geonet frame.

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-8768
• https://exchange.xforce.ibmcloud.com/vulnerabilities/98766
• http://lists.opensuse.org/opensuse-updates/2015-02/msg00062.html
• http://packetstormsecurity.com/files/129156/tcpdump-4.6.2-Geonet-Denial-Of-Service.html
• http://seclists.org/fulldisclosure/2014/Nov/48
• http://www.exploit-db.com/exploits/35359
• http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
• http://www.securityfocus.com/archive/1/534010/100/0/threaded
• http://www.securityfocus.com/bid/71155
• http://www.ubuntu.com/usn/USN-2433-1