Buffer overflow in Tcpdump - CVE-2017-13011

 

Buffer overflow in Tcpdump - CVE-2017-13011

Published: September 13, 2017


Vulnerability identifier: #VU8331
CSH Severity: Low
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:Clear
CVE-ID: CVE-2017-13011
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 allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists due to boundary error in the the bittok2str_internal component. A remote attacker can send an overly long string argument, trigger buffer overflow and cause the application to crash or possibly execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2017-13011

Update to version 4.9.2.

Sources