Buffer overflow in Tcpdump - CVE-2016-7938

Vulnerability identifier: #VU6812

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-2016-7938

CWE-ID: CWE-120

Exploitation vector: Remote access

Exploit availability: No public exploit available

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-zeromq.c:zmtp1_print_frame() in the ZeroMQ 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.

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

Update to version 4.9.0.

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

• https://isc.sans.edu/forums/diary/Multiple+Vulnerabilities+in+tcpdump/22017/

• Multiple vulnerabilities in Tcpdump
• Red Hat update for Tcpdump
• Gentoo update for tcpdump
• Arch Linux update for tcpdump
• Ubuntu update for tcpdump
• Slackware Linux update for tcpdump
• Buffer overflow in tcpdump (Alpine package)
• Fedora 25 update for tcpdump