Buffer overflow in Tcpdump - CVE-2018-14879

Vulnerability identifier: #VU21995

CSH Severity: Medium

CVSS v4 BT: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-14879

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the tcpdump.c:get_next_file() function in the command-line argument parser. A remote attacker can create a specially crafted file, trick the victim into opening it with the affected software, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Tcpdump
IBM VIOS
OpenShift Data Foundation (formerly OpenShift Container Storage)
tcpdump (Debian package)
tcpdump (Alpine package)
tcpdump (Red Hat package)
tcpdump
IBM AIX
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Oracle Solaris
Slackware Linux
Opensuse
Fedora

Install update from vendor's website.

Tcpdump - update to 4.9.3
tcpdump (Debian package) - addressed in versions 4.9.3-1~deb9u1, 4.9.3-1~deb10u1
tcpdump (Alpine package) - update to 4.9.3-r0
tcpdump (Red Hat package) - update to 4.9.3-1.el8
tcpdump - addressed in versions 4.9.3-1.fc29, 4.9.3-1.fc30, 4.9.3-1.fc31

• https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
• https://github.com/the-tcpdump-group/tcpdump/commit/9ba91381954ad325ea4fd26b9c65a8bd9a2a85b6
• https://lists.debian.org/debian-lts-announce/2019/10/msg00015.html

• OpenSUSE Linux update for tcpdump
• OpenSUSE Linux update for tcpdump
• Multiple vulnerabilities in Tcpdump
• Debian update for tcpdump
• Slackware Linux update for tcpdump
• IBM AIX update for tcpdump
• Oracle Solaris update for third party packages
• Buffer overflow in tcpdump (Alpine package)
• Red Hat Enterprise Linux 8 update for tcpdump
• Multiple vulnerabilities in Red Hat OpenShift Container Storage
• Fedora 31 update for tcpdump
• Fedora 30 update for tcpdump
• Fedora 29 update for tcpdump