NULL pointer dereference in libpcap - CVE-2019-15163
Published: October 27, 2019
Vulnerability identifier: #VU22310
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-15163
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Tcpdump.org
Affected software:
libpcap
libpcap
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dreference error within the rpcapd/daemon.c in libpcap if a crypt() call fails. A remote attacker can perform a denial of service (DoS) attack.
How to mitigate CVE-2019-15163
Install update from vendor's website.