Buffer overflow in Tcpdump - CVE-2016-7930

 

Buffer overflow in Tcpdump - CVE-2016-7930

Published: May 25, 2017 / Updated: May 30, 2017


Vulnerability identifier: #VU6736
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-7930
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Tcpdump.org
Affected software:
Tcpdump

Detailed vulnerability description

The vulnerability allow a remote attacker to cause DoS condition or potentially execute arbitrary code on the target system.

The weakness exists due to buffer overflow in the print-llc.c:llc_print() in the LLC/SNAP parser. A remote attacker can use a specially crafted LLC/SNAP protocol to trigger memory corruption and cause the application to crash or possibly execute arbitrary code.

Successful exploitation of the vulnerability may result system compromise.

How to mitigate CVE-2016-7930

Update to version 4.9.0.

Sources