Buffer overflow in Tcpdump - CVE-2017-5203

Vulnerability identifier: #VU6756

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-2017-5203

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 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.

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/

• IBM AIX update for tcpdump
• 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