Out-of-bounds read in Tcpdump - CVE-2019-15167

 

Out-of-bounds read in Tcpdump - CVE-2019-15167

Published: October 22, 2019


Vulnerability identifier: #VU22024
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-15167
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the VRRP parser A remote attacker can generate specially crafted data, trigger out-of-bounds read error and perform a denial of service (DoS) attack.


Affected software

Tcpdump
Amazon Linux AMI
IBM AIX
Slackware Linux
Opensuse
Fedora
IBM VIOS
tcpdump (Alpine package)
tcpdump

How to mitigate CVE-2019-15167

Install updates from vendor's website.

Tcpdump - update to 4.9.3
tcpdump (Alpine package) - update to 4.9.3-r0
tcpdump - update to 4.9.2-4.24
tcpdump - addressed in versions 4.9.3-1.fc29, 4.9.3-1.fc30, 4.9.3-1.fc31

External References

Related Security Bulletins