Insufficient verification of data authenticity in libpcap - CVE-2019-15162
Published: October 27, 2019
Vulnerability identifier: #VU22309
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-15162
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to enumerate users on the system.
The vulnerability exists within the rpcapd/daemon.c in libpcap on non-Windows platforms due to the application provides details about failed authenticated attempts. A remote attacker can enumerate users on the system.
Affected software
libpcap
libpcap (Alpine package)
libpcap
Oracle Solaris
Fedora
libpcap (Alpine package)
libpcap
Oracle Solaris
Fedora
How to mitigate CVE-2019-15162
Install updates from vendor's website.
libpcap - update to 1.9.1
libpcap (Alpine package) - update to 1.9.1-r0
libpcap - addressed in versions 1.9.1-1.fc29, 1.9.1-1.fc30, 1.9.1-1.fc31
libpcap (Alpine package) - update to 1.9.1-r0
libpcap - addressed in versions 1.9.1-1.fc29, 1.9.1-1.fc30, 1.9.1-1.fc31