Input validation error in libpcap - CVE-2019-15161
Published: October 27, 2019
Vulnerability identifier: #VU22308
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2019-15161
CWE-ID: CWE-20
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 gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied input within the rpcapd/daemon.c in libpcap. A remote attacker can send specially crafted request to the application and gain access to sensitive information.
How to mitigate CVE-2019-15161
Install updates from vendor's website.
Sources
- https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
- https://github.com/the-tcpdump-group/libpcap/commit/617b12c0339db4891d117b661982126c495439ea
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GBIEKWLNIR62KZ5GA7EDXZS52HU6OE5F/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UZTIPUWABYUE5KQOLCKAW65AUUSB7QO6/
- https://www.tcpdump.org/public-cve-list.txt