Buffer overflow in Tcpdump - CVE-2017-5203

 

Buffer overflow in Tcpdump - CVE-2017-5203

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


Vulnerability identifier: #VU6756
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-2017-5203
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 syste.

The weakness exists due to buffer overflow in print-bootp.c:bootp_print() in the BOOTP parser. A remote attacker can use a specially crafted BOOTP 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-2017-5203

Update to version 4.9.0.

Sources