Buffer overflow in Tcpdump - CVE-2016-7983

 

Buffer overflow in Tcpdump - CVE-2016-7983

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


Vulnerability identifier: #VU6749
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2016-7983
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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 the print-bootp.c:bootp_print() in the BOOTP parser. A remote attacker can use a specially crafted 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.

Affected software

Tcpdump
Gentoo Linux
Arch Linux
Red Hat Enterprise Linux Server
Ubuntu
Slackware Linux
Fedora
tcpdump (Alpine package)
tcpdump

How to mitigate CVE-2016-7983

Update to version 4.9.0.

tcpdump (Alpine package) - update to 4.9.0-r0
tcpdump - update to 4.9.0-1.fc25

External References

Related Security Bulletins